试题详情
计算
43+55= | 12+40= | 41-22= | 92-70= | 99-23= | 18+29+37= |
29-13= | 5×7= | 19-14= | 4×9= | 86-11= | 83-17-22= |
72-30= | 89-20= | 7×3= | 13+29= | 3×0= | 2×3-2= |
8×6= | 97-67= | 17+38= | 58-25= | 70-54= | 9×9-7= |
知识点
参考答案
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