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1、100以内两位数加减法口算答案1.79 + 21 =74 - 10 =82 + 15 =58 - 47 =1. 1006497112.46 + 30 =76 - 53 =82 + 15 =48 - 35 =2.762397133.30 + 31 =80 - 51 =21 + 76 =69 - 10 =3.612997594.52 + 41 =62 - 33 =23 + 15 =49 - 28 =4.932938215.55 + 35 =86 - 23 =43 + 21 =52 - 37 =5.906364156.15 + 55 =83 - 46 =79 + 18 =23 - 13 =6.703
2、797107.48 + 40 =61 - 24 =66 + 21 =50 - 16 =7.883787348.12 + 35 =99 - 65 =16 + 18 =92 - 43 =8.473434499.28 + 13 =96 - 15 =25 + 60 =42 - 10 =9.41818532#11 + 51 =81 - 29 =51 + 44 =93 - 60 =10.62529533#28 + 41 =48 - 29 =41 + 41 =32 - 13 =11.69198219#33 + 64 =32 - 10 =57 + 17 =99 - 28 =12.97227471#32 + 1
3、1 =73 - 63 =34 + 13 =74 - 25 =13.43104749#88 + 11 =68 - 21 =89 + 11 =78 - 45 =14.9947 10033#70 + 28 =66 - 49 =15 + 31 =86 - 31 =15.98174655#41 + 25 =43 - 28 =33 + 29 =36 - 21 =16.66156215#11 + 57 =90 - 18 =83 + 15 =49 - 10 =17.68729839#54 + 44 =80 - 18 =88 + 11 =49 - 17 =18.98629932#35 + 43 =22 - 11
4、 =38 + 56 =24 - 12 =19.78119412#15 + 66 =66 - 30 =80 + 11 =71 - 33 =20.81369138#15 + 73 =58 - 31 =66 + 16 =32 - 14 =21.88278218#11 + 18 =62 - 17 =49 + 32 =21 - 11 =22.29458110#74 + 18 =65 - 26 =14 + 69 =92 - 42 =23.92398350#39 + 37 =99 - 62 =55 + 32 =54 - 23 =24.76378731#27 + 62 =89 - 41 =73 + 20 =98 - 14 =25.894893842021年9月30日时间：得分：