北师大版小学二年级数学上册计算题33 + 58 24 = 24 + 61 39 =22 + 39 47 =47 18 + 25 = 52 48 + 76 =88 41 + 35 =86 29 12 = 71 28 23 =99 73 25 =15 + 36 + 14 = 68 + 13 + 14 =55 + 19 + 27 =32 + 57 23 = 23 + 60 38 =11 + 38 46 =46 17 + 24 = 51 47 + 75 =77 41 + 34 =85 28 11 = 70 27 22 =88 72 12 =14 + 35 + 13 = 67 + 12 + 13 =44 + 19 + 26 =34 + 59 25 = 25 + 62 40 =23 + 40 48 =48 19 + 26 = 53 49 + 77 =99 41 + 35 =87 30 13 = 72 29 24 =84 13 25 =16 + 37 + 15 = 69 + 14 + 15 =56 + 20 + 17 =24 + 38 25 = 25 + 37 40 =13 + 58 48 =47 19 + 26 = 53 16 + 77 =70 41 + 35 =65 28 13 = 72 25 24 =62 13 25 =24 + 37 + 15 = 69 + 13 + 15 =56 + 19 + 17 =33 + 58 34 = 34 + 62 39 =33 + 39 47 =47 28 + 35 = 53 48 + 76 =88 42 + 35 =86 39 23 = 72 38 33 =99 53 35 =25 + 36 + 24 = 48 + 23 + 24 =33 + 29 + 37 =33 + 57 33 = 33 + 60 38 =22 + 38 46 =46 27 + 34 = 52 47 + 75 =77 42 + 34 =85 38 22 = 70 37 33 =88 43 23 =24 + 35 + 23 = 47 + 23 + 23 =24 + 29 + 36 =34 + 59 35 = 35 + 63 40 =33 + 40 48 =48 29 + 36 = 53 49 + 77 =99 42 + 35 =87 30 23 = 73 39 34 =84 23 35 =65 38 23 = 73 15 34 =63 23 35 =26 + 37 + 25 = 39 + 24 + 25 =16 + 30 + 27 =34 + 38 35 = 35 + 37 40 =23 + 58 48 =47 29 + 36 = 53 26 + 77 =70 42 + 35 =34 + 37 + 25 = 19 + 23 + 25 =16 + 29 + 27 =18+45-22= 62-8+25= 50+26+8=95-68+27= 62-17-5= 12+18-20=36-8+12= 65-47+3= 16+48-6=87-56+34= 50-49+7= 46+5-51=44 / 4