30 + 27 =13 + 34 =20 + 5 =2 + 0 =47 + 19 =2 + 2 =56 + 14 =29 + 1 =3 + 67 =28 + 48 =32 + 10 =3 + 2 =11 + 27 =33 + 17 =6 + 16 =56 + 11 =48 + 0 =16 + 57 =55 + 1 =11 + 9 =9 + 0 =做题用时：
0 + 55 =4 + 43 =7 + 2 =1 + 22 =9 + 15 =24 + 1 =32 + 47 =3 + 20 =9 + 5 =14 + 19 =19 + 39 =10 + 41 =9 + 6 =3 + 4 =19 + 54 =24 + 39 =22 + 2 =32 + 19 =3 + 32 =31 + 14 =62 + 12 =正确题数：
1 + 1 =32 + 42 =28 + 27 =19 + 23 =12 + 17 =1 + 21 =20 + 0 =2 + 3 =15 + 15 =6 + 7 =13 + 8 =7 + 37 =50 + 26 =16 + 25 =7 + 2 =28 + 9 =40 + 8 =0 + 2 =0 + 6 =3 + 24 =1 + 0 =家长签字：
1到80口算卡1配套答案
30 + 27 = 5713 + 34 = 4720 + 5 = 252 + 0 = 247 + 19 = 662 + 2 = 456 + 14 = 7029 + 1 = 303 + 67 = 7028 + 48 = 7632 + 10 = 423 + 2 = 511 + 27 = 3833 + 17 = 506 + 16 = 2256 + 11 = 6748 + 0 = 4816 + 57 = 7355 + 1 = 5611 + 9 = 209 + 0 = 9
0 + 55 = 554 + 43 = 477 + 2 = 91 + 22 = 239 + 15 = 2424 + 1 = 2532 + 47 = 793 + 20 = 239 + 5 = 1414 + 19 = 3319 + 39 = 5810 + 41 = 519 + 6 = 153 + 4 = 719 + 54 = 7324 + 39 = 6322 + 2 = 2432 + 19 = 513 + 32 = 3531 + 14 = 4562 + 12 = 74
1 + 1 = 232 + 42 = 7428 + 27 = 5519 + 23 = 4212 + 17 = 291 + 21 = 2220 + 0 = 202 + 3 = 515 + 15 = 306 + 7 = 1313 + 8 = 217 + 37 = 4450 + 26 = 7616 + 25 = 417 + 2 = 928 + 9 = 3740 + 8 = 480 + 2 = 20 + 6 = 63 + 24 = 271 + 0 = 1
1到80口算卡2(含答案)
29 + 24 =5 + 62 =11 + 5 =13 + 24 =9 + 3 =40 + 35 =6 + 2 =15 + 18 =8 + 32 =2 + 25 =8 + 40 =7 + 68 =10 + 26 =53 + 17 =15 + 7 =1 + 20 =1 + 2 =19 + 45 =9 + 10 =7 + 14 =2 + 2 =做题用时：
15 + 2 =36 + 12 =25 + 50 =3 + 41 =21 + 30 =8 + 69 =46 + 28 =4 + 24 =8 + 31 =10 + 70 =1 + 2 =41 + 3 =18 + 26 =57 + 11 =39 + 15 =27 + 53 =16 + 24 =10 + 46 =19 + 15 =36 + 30 =18 + 17 =正确题数：
12 + 7 =27 + 13 =26 + 45 =7 + 18 =7 + 6 =11 + 7 =27 + 3 =7 + 32 =41 + 14 =39 + 11 =11 + 2 =17 + 0 =0 + 6 =24 + 40 =4 + 34 =1 + 9 =3 + 1 =24 + 19 =8 + 10 =45 + 15 =29 + 3 =家长签字：
1到80口算卡2配套答案
29 + 24 = 535 + 62 = 6711 + 5 = 1613 + 24 = 379 + 3 = 1240 + 35 = 756 + 2 = 815 + 18 = 338 + 32 = 402 + 25 = 278 + 40 = 487 + 68 = 7510 + 26 = 3653 + 17 = 7015 + 7 = 221 + 20 = 211 + 2 = 319 + 45 = 649 + 10 = 197 + 14 = 212 + 2 = 4
15 + 2 = 1736 + 12 = 4825 + 50 = 753 + 41 = 4421 + 30 = 518 + 69 = 7746 + 28 = 744 + 24 = 288 + 31 = 3910 + 70 = 801 + 2 = 341 + 3 = 4418 + 26 = 4457 + 11 = 6839 + 15 = 5427 + 53 = 8016 + 24 = 4010 + 46 = 5619 + 15 = 3436 + 30 = 6618 + 17 = 35
12 + 7 = 1927 + 13 = 4026 + 45 = 717 + 18 = 257 + 6 = 1311 + 7 = 1827 + 3 = 307 + 32 = 3941 + 14 = 5539 + 11 = 5011 + 2 = 1317 + 0 = 170 + 6 = 624 + 40 = 644 + 34 = 381 + 9 = 103 + 1 = 424 + 19 = 438 + 10 = 1845 + 15 = 6029 + 3 = 32
1到80口算卡3(含答案)
5 + 55 =37 + 14 =1 + 1 =9 + 24 =64 + 15 =23 + 33 =16 + 43 =13 + 16 =9 + 67 =18 + 34 =1 + 8 =3 + 4 =42 + 35 =39 + 1 =7 + 11 =9 + 23 =5 + 36 =41 + 1 =41 + 4 =23 + 30 =3 + 53 =做题用时：
43 + 18 =6 + 34 =6 + 12 =3 + 60 =32 + 10 =21 + 44 =63 + 15 =49 + 5 =29 + 42 =10 + 0 =45 + 19 =0 + 33 =2 + 12 =17 + 24 =2 + 7 =45 + 7 =7 + 33 =27 + 45 =20 + 6 =8 + 10 =17 + 2 =正确题数：
18 + 31 =28 + 4 =44 + 3 =14 + 28 =18 + 52 =3 + 18 =0 + 28 =51 + 9 =16 + 7 =27 + 6 =26 + 34 =3 + 4 =20 + 8 =20 + 5 =8 + 5 =18 + 59 =8 + 68 =50 + 29 =44 + 4 =11 + 35 =5 + 64 =家长签字：
1到80口算卡3配套答案
5 + 55 = 6037 + 14 = 511 + 1 = 29 + 24 = 3364 + 15 = 7923 + 33 = 5616 + 43 = 5913 + 16 = 299 + 67 = 7618 + 34 = 521 + 8 = 93 + 4 = 742 + 35 = 7739 + 1 = 407 + 11 = 189 + 23 = 325 + 36 = 4141 + 1 = 4241 + 4 = 4523 + 30 = 533 + 53 = 56
43 + 18 = 616 + 34 = 406 + 12 = 183 + 60 = 6332 + 10 = 4221 + 44 = 6563 + 15 = 7849 + 5 = 5429 + 42 = 7110 + 0 = 1045 + 19 = 640 + 33 = 332 + 12 = 1417 + 24 = 412 + 7 = 945 + 7 = 527 + 33 = 4027 + 45 = 7220 + 6 = 268 + 10 = 1817 + 2 = 19
18 + 31 = 4928 + 4 = 3244 + 3 = 4714 + 28 = 4218 + 52 = 703 + 18 = 210 + 28 = 2851 + 9 = 6016 + 7 = 2327 + 6 = 3326 + 34 = 603 + 4 = 720 + 8 = 2820 + 5 = 258 + 5 = 1318 + 59 = 778 + 68 = 7650 + 29 = 7944 + 4 = 4811 + 35 = 465 + 64 = 69
1到80口算卡4(含答案)
28 + 8 =7 + 13 =17 + 15 =13 + 9 =1 + 16 =8 + 64 =48 + 5 =18 + 1 =30 + 38 =31 + 9 =26 + 41 =5 + 11 =5 + 29 =5 + 45 =12 + 5 =7 + 34 =38 + 42 =0 + 1 =18 + 6 =60 + 12 =1 + 14 =做题用时：
0 + 1 =6 + 25 =69 + 10 =35 + 12 =3 + 9 =3 + 0 =50 + 13 =12 + 15 =36 + 9 =9 + 37 =6 + 11 =16 + 30 =18 + 25 =2 + 44 =9 + 35 =73 + 5 =68 + 12 =27 + 6 =20 + 60 =10 + 4 =1 + 1 =正确题数：
6 + 50 =2 + 7 =18 + 14 =7 + 18 =20 + 45 =12 + 19 =28 + 40 =38 + 20 =32 + 1 =27 + 25 =11 + 7 =27 + 33 =20 + 53 =48 + 6 =8 + 15 =0 + 2 =60 + 19 =29 + 18 =11 + 11 =55 + 9 =4 + 4 =家长签字：
1到80口算卡4配套答案
28 + 8 = 367 + 13 = 2017 + 15 = 3213 + 9 = 221 + 16 = 178 + 64 = 7248 + 5 = 5318 + 1 = 1930 + 38 = 6831 + 9 = 4026 + 41 = 675 + 11 = 165 + 29 = 345 + 45 = 5012 + 5 = 177 + 34 = 4138 + 42 = 800 + 1 = 118 + 6 = 2460 + 12 = 721 + 14 = 15
0 + 1 = 16 + 25 = 3169 + 10 = 7935 + 12 = 473 + 9 = 123 + 0 = 350 + 13 = 6312 + 15 = 2736 + 9 = 459 + 37 = 466 + 11 = 1716 + 30 = 4618 + 25 = 432 + 44 = 469 + 35 = 4473 + 5 = 7868 + 12 = 8027 + 6 = 3320 + 60 = 8010 + 4 = 141 + 1 = 2
6 + 50 = 562 + 7 = 918 + 14 = 327 + 18 = 2520 + 45 = 6512 + 19 = 3128 + 40 = 6838 + 20 = 5832 + 1 = 3327 + 25 = 5211 + 7 = 1827 + 33 = 6020 + 53 = 7348 + 6 = 548 + 15 = 230 + 2 = 260 + 19 = 7929 + 18 = 4711 + 11 = 2255 + 9 = 644 + 4 = 8
1到80口算卡5(含答案)
2 + 32 =26 + 11 =16 + 24 =75 + 1 =26 + 22 =4 + 46 =4 + 11 =0 + 2 =19 + 15 =35 + 10 =2 + 2 =1 + 4 =25 + 24 =16 + 32 =56 + 17 =20 + 27 =9 + 50 =1 + 4 =58 + 3 =19 + 9 =2 + 62 =做题用时：
31 + 33 =10 + 7 =69 + 4 =0 + 53 =52 + 1 =1 + 0 =2 + 4 =38 + 9 =0 + 4 =14 + 32 =17 + 16 =27 + 32 =2 + 24 =19 + 14 =36 + 26 =43 + 10 =27 + 7 =40 + 18 =11 + 48 =4 + 58 =19 + 1 =正确题数：
14 + 52 =3 + 12 =19 + 56 =15 + 6 =42 + 12 =19 + 42 =48 + 18 =16 + 56 =16 + 13 =6 + 23 =30 + 17 =0 + 12 =43 + 8 =22 + 30 =7 + 8 =60 + 18 =15 + 16 =30 + 14 =3 + 1 =24 + 48 =4 + 6 =家长签字：
1到80口算卡5配套答案
2 + 32 = 3426 + 11 = 3716 + 24 = 4075 + 1 = 7626 + 22 = 484 + 46 = 504 + 11 = 150 + 2 = 219 + 15 = 3435 + 10 = 452 + 2 = 41 + 4 = 525 + 24 = 4916 + 32 = 4856 + 17 = 7320 + 27 = 479 + 50 = 591 + 4 = 558 + 3 = 6119 + 9 = 282 + 62 = 64
31 + 33 = 6410 + 7 = 1769 + 4 = 730 + 53 = 5352 + 1 = 531 + 0 = 12 + 4 = 638 + 9 = 470 + 4 = 414 + 32 = 4617 + 16 = 3327 + 32 = 592 + 24 = 2619 + 14 = 3336 + 26 = 6243 + 10 = 5327 + 7 = 3440 + 18 = 5811 + 48 = 594 + 58 = 6219 + 1 = 20
14 + 52 = 663 + 12 = 1519 + 56 = 7515 + 6 = 2142 + 12 = 5419 + 42 = 6148 + 18 = 6616 + 56 = 7216 + 13 = 296 + 23 = 2930 + 17 = 470 + 12 = 1243 + 8 = 5122 + 30 = 527 + 8 = 1560 + 18 = 7815 + 16 = 3130 + 14 = 443 + 1 = 424 + 48 = 724 + 6 = 10
1到80口算卡6(含答案)
22 + 40 =25 + 8 =25 + 10 =7 + 34 =2 + 21 =22 + 57 =15 + 35 =22 + 47 =11 + 53 =1 + 24 =18 + 22 =1 + 47 =3 + 23 =21 + 6 =50 + 1 =37 + 30 =9 + 40 =23 + 50 =29 + 20 =45 + 17 =42 + 13 =做题用时：
12 + 9 =23 + 18 =9 + 14 =29 + 0 =25 + 17 =1 + 37 =4 + 27 =8 + 45 =6 + 10 =5 + 3 =25 + 32 =11 + 23 =12 + 45 =4 + 0 =2 + 2 =46 + 14 =14 + 52 =33 + 5 =27 + 40 =13 + 25 =16 + 4 =正确题数：
24 + 20 =4 + 47 =14 + 43 =1 + 4 =25 + 52 =19 + 33 =10 + 20 =4 + 14 =21 + 13 =14 + 6 =29 + 19 =0 + 7 =3 + 10 =19 + 13 =20 + 4 =38 + 34 =0 + 32 =3 + 18 =52 + 0 =6 + 19 =9 + 62 =家长签字：
1到80口算卡6配套答案
22 + 40 = 6225 + 8 = 3325 + 10 = 357 + 34 = 412 + 21 = 2322 + 57 = 7915 + 35 = 5022 + 47 = 6911 + 53 = 641 + 24 = 2518 + 22 = 401 + 47 = 483 + 23 = 2621 + 6 = 2750 + 1 = 5137 + 30 = 679 + 40 = 4923 + 50 = 7329 + 20 = 4945 + 17 = 6242 + 13 = 55
12 + 9 = 2123 + 18 = 419 + 14 = 2329 + 0 = 2925 + 17 = 421 + 37 = 384 + 27 = 318 + 45 = 536 + 10 = 165 + 3 = 825 + 32 = 5711 + 23 = 3412 + 45 = 574 + 0 = 42 + 2 = 446 + 14 = 6014 + 52 = 6633 + 5 = 3827 + 40 = 6713 + 25 = 3816 + 4 = 20
24 + 20 = 444 + 47 = 5114 + 43 = 571 + 4 = 525 + 52 = 7719 + 33 = 5210 + 20 = 304 + 14 = 1821 + 13 = 3414 + 6 = 2029 + 19 = 480 + 7 = 73 + 10 = 1319 + 13 = 3220 + 4 = 2438 + 34 = 720 + 32 = 323 + 18 = 2152 + 0 = 526 + 19 = 259 + 62 = 71
1到80口算卡7(含答案)
28 + 18 =34 + 15 =6 + 63 =27 + 5 =15 + 7 =27 + 5 =30 + 5 =13 + 5 =15 + 57 =77 + 2 =37 + 33 =24 + 29 =9 + 4 =43 + 7 =1 + 29 =2 + 39 =13 + 17 =24 + 0 =1 + 1 =27 + 23 =2 + 1 =做题用时：
26 + 0 =9 + 15 =9 + 17 =11 + 8 =15 + 42 =27 + 20 =75 + 5 =17 + 3 =25 + 37 =25 + 26 =5 + 35 =14 + 64 =33 + 15 =6 + 3 =47 + 13 =2 + 33 =23 + 17 =2 + 3 =1 + 9 =26 + 0 =13 + 36 =正确题数：
16 + 18 =3 + 3 =34 + 1 =3 + 19 =14 + 27 =17 + 25 =1 + 20 =19 + 33 =39 + 5 =20 + 14 =1 + 30 =1 + 8 =9 + 3 =3 + 19 =3 + 1 =35 + 33 =64 + 1 =2 + 40 =17 + 34 =16 + 7 =13 + 20 =家长签字：
1到80口算卡7配套答案
28 + 18 = 4634 + 15 = 496 + 63 = 6927 + 5 = 3215 + 7 = 2227 + 5 = 3230 + 5 = 3513 + 5 = 1815 + 57 = 7277 + 2 = 7937 + 33 = 7024 + 29 = 539 + 4 = 1343 + 7 = 501 + 29 = 302 + 39 = 4113 + 17 = 3024 + 0 = 241 + 1 = 227 + 23 = 502 + 1 = 3
26 + 0 = 269 + 15 = 249 + 17 = 2611 + 8 = 1915 + 42 = 5727 + 20 = 4775 + 5 = 8017 + 3 = 2025 + 37 = 6225 + 26 = 515 + 35 = 4014 + 64 = 7833 + 15 = 486 + 3 = 947 + 13 = 602 + 33 = 3523 + 17 = 402 + 3 = 51 + 9 = 1026 + 0 = 2613 + 36 = 49
16 + 18 = 343 + 3 = 634 + 1 = 353 + 19 = 2214 + 27 = 4117 + 25 = 421 + 20 = 2119 + 33 = 5239 + 5 = 4420 + 14 = 341 + 30 = 311 + 8 = 99 + 3 = 123 + 19 = 223 + 1 = 435 + 33 = 6864 + 1 = 652 + 40 = 4217 + 34 = 5116 + 7 = 2313 + 20 = 33
1到80口算卡8(含答案)
15 + 2 =5 + 8 =27 + 22 =7 + 52 =0 + 26 =58 + 5 =5 + 19 =14 + 63 =12 + 22 =26 + 0 =25 + 22 =10 + 1 =3 + 0 =14 + 44 =35 + 41 =23 + 35 =12 + 7 =21 + 24 =40 + 12 =1 + 5 =0 + 9 =做题用时：
43 + 1 =6 + 13 =35 + 37 =16 + 3 =0 + 6 =65 + 13 =66 + 0 =13 + 7 =50 + 1 =1 + 33 =11 + 60 =12 + 8 =16 + 14 =40 + 34 =59 + 18 =25 + 8 =20 + 26 =0 + 4 =12 + 18 =19 + 11 =6 + 9 =正确题数：
13 + 0 =1 + 21 =46 + 19 =17 + 4 =69 + 1 =10 + 12 =69 + 5 =37 + 4 =19 + 27 =48 + 18 =11 + 61 =41 + 21 =62 + 12 =49 + 14 =28 + 10 =7 + 39 =12 + 13 =63 + 9 =30 + 1 =41 + 0 =28 + 8 =家长签字：
1到80口算卡8配套答案
15 + 2 = 175 + 8 = 1327 + 22 = 497 + 52 = 590 + 26 = 2658 + 5 = 635 + 19 = 2414 + 63 = 7712 + 22 = 3426 + 0 = 2625 + 22 = 4710 + 1 = 113 + 0 = 314 + 44 = 5835 + 41 = 7623 + 35 = 5812 + 7 = 1921 + 24 = 4540 + 12 = 521 + 5 = 60 + 9 = 9
43 + 1 = 446 + 13 = 1935 + 37 = 7216 + 3 = 190 + 6 = 665 + 13 = 7866 + 0 = 6613 + 7 = 2050 + 1 = 511 + 33 = 3411 + 60 = 7112 + 8 = 2016 + 14 = 3040 + 34 = 7459 + 18 = 7725 + 8 = 3320 + 26 = 460 + 4 = 412 + 18 = 3019 + 11 = 306 + 9 = 15
13 + 0 = 131 + 21 = 2246 + 19 = 6517 + 4 = 2169 + 1 = 7010 + 12 = 2269 + 5 = 7437 + 4 = 4119 + 27 = 4648 + 18 = 6611 + 61 = 7241 + 21 = 6262 + 12 = 7449 + 14 = 6328 + 10 = 387 + 39 = 4612 + 13 = 2563 + 9 = 7230 + 1 = 3141 + 0 = 4128 + 8 = 36
1到80口算卡9(含答案)
2 + 23 =41 + 30 =56 + 13 =58 + 4 =4 + 1 =5 + 14 =5 + 0 =21 + 59 =15 + 29 =3 + 15 =7 + 4 =41 + 6 =1 + 7 =23 + 28 =20 + 3 =25 + 0 =26 + 6 =40 + 25 =17 + 12 =31 + 22 =5 + 0 =做题用时：
0 + 5 =11 + 15 =29 + 5 =5 + 0 =1 + 19 =2 + 61 =8 + 3 =19 + 3 =4 + 13 =26 + 15 =5 + 44 =29 + 47 =1 + 27 =36 + 36 =31 + 2 =12 + 9 =4 + 0 =21 + 17 =4 + 27 =13 + 46 =5 + 12 =正确题数：
25 + 9 =4 + 6 =38 + 28 =18 + 44 =4 + 2 =28 + 13 =18 + 11 =12 + 1 =25 + 5 =7 + 7 =2 + 1 =20 + 48 =17 + 17 =1 + 0 =7 + 72 =2 + 61 =78 + 0 =39 + 17 =2 + 13 =54 + 24 =9 + 62 =家长签字：
1到80口算卡9配套答案
2 + 23 = 2541 + 30 = 7156 + 13 = 6958 + 4 = 624 + 1 = 55 + 14 = 195 + 0 = 521 + 59 = 8015 + 29 = 443 + 15 = 187 + 4 = 1141 + 6 = 471 + 7 = 823 + 28 = 5120 + 3 = 2325 + 0 = 2526 + 6 = 3240 + 25 = 6517 + 12 = 2931 + 22 = 535 + 0 = 5
0 + 5 = 511 + 15 = 2629 + 5 = 345 + 0 = 51 + 19 = 202 + 61 = 638 + 3 = 1119 + 3 = 224 + 13 = 1726 + 15 = 415 + 44 = 4929 + 47 = 761 + 27 = 2836 + 36 = 7231 + 2 = 3312 + 9 = 214 + 0 = 421 + 17 = 384 + 27 = 3113 + 46 = 595 + 12 = 17
25 + 9 = 344 + 6 = 1038 + 28 = 6618 + 44 = 624 + 2 = 628 + 13 = 4118 + 11 = 2912 + 1 = 1325 + 5 = 307 + 7 = 142 + 1 = 320 + 48 = 6817 + 17 = 341 + 0 = 17 + 72 = 792 + 61 = 6378 + 0 = 7839 + 17 = 562 + 13 = 1554 + 24 = 789 + 62 = 71
1到80口算卡10(含答案)
3 + 10 =1 + 2 =17 + 56 =48 + 9 =6 + 1 =13 + 53 =6 + 3 =4 + 3 =35 + 2 =5 + 11 =12 + 37 =2 + 24 =1 + 0 =25 + 34 =17 + 20 =28 + 41 =21 + 36 =7 + 24 =1 + 18 =53 + 11 =11 + 16 =做题用时：
56 + 24 =34 + 6 =4 + 24 =37 + 36 =39 + 25 =27 + 1 =9 + 21 =14 + 4 =8 + 64 =46 + 27 =55 + 17 =15 + 12 =10 + 56 =27 + 37 =3 + 41 =5 + 0 =1 + 78 =51 + 2 =4 + 6 =36 + 4 =12 + 2 =正确题数：
12 + 41 =4 + 0 =27 + 13 =0 + 6 =16 + 61 =32 + 40 =4 + 10 =52 + 9 =7 + 14 =60 + 10 =20 + 14 =16 + 0 =0 + 21 =16 + 10 =20 + 11 =43 + 17 =0 + 15 =4 + 16 =14 + 65 =49 + 4 =5 + 17 =家长签字：
1到80口算卡10配套答案
3 + 10 = 131 + 2 = 317 + 56 = 7348 + 9 = 576 + 1 = 713 + 53 = 666 + 3 = 94 + 3 = 735 + 2 = 375 + 11 = 1612 + 37 = 492 + 24 = 261 + 0 = 125 + 34 = 5917 + 20 = 3728 + 41 = 6921 + 36 = 577 + 24 = 311 + 18 = 1953 + 11 = 6411 + 16 = 27
56 + 24 = 8034 + 6 = 404 + 24 = 2837 + 36 = 7339 + 25 = 6427 + 1 = 289 + 21 = 3014 + 4 = 188 + 64 = 7246 + 27 = 7355 + 17 = 7215 + 12 = 2710 + 56 = 6627 + 37 = 643 + 41 = 445 + 0 = 51 + 78 = 7951 + 2 = 534 + 6 = 1036 + 4 = 4012 + 2 = 14
12 + 41 = 534 + 0 = 427 + 13 = 400 + 6 = 616 + 61 = 7732 + 40 = 724 + 10 = 1452 + 9 = 617 + 14 = 2160 + 10 = 7020 + 14 = 3416 + 0 = 160 + 21 = 2116 + 10 = 2620 + 11 = 3143 + 17 = 600 + 15 = 154 + 16 = 2014 + 65 = 7949 + 4 = 535 + 17 = 22
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