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一年级口算 二位数加减一位数 用时:_________ 错误:_________
5+20 = 47-3 = 9+49 = 14-9 = 47-8 = 5+28 = 80-7 = 1+58 = 50-1 = 38-8 = 44+4 = 20-7 = 2+27 = 75-7 = 99-5 = 9+86 = 34-5 = 70-6 = 67+5 = 24-7 =
1+28 = 2+13 = 61+5 = 59+1 = 7+74 = 5+48 = 12+0 = 89+4 = 9+24 = 73-9 = 70-8 = 49+3 = 21-0 = 45-3 = 85-5 = 38-5 = 2+80 = 87+3 = 49-7 = 8+86 =
0+69 = 42+0 = 25-4 = 0+62 = 20-4 = 4+79 = 30-9 = 39-7 = 6+78 = 34-4 = 5+93 = 6+12 = 22-0 = 57-8 = 73-8 = 59-4 = 75+0 = 47+4 = 6+63 =
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