题目内容
口算.
(1) |
(2) |
(3) |
(4) |
16 ÷3= |
14 ×7= |
2 ×4×9= |
81 ÷9÷3= |
28 ÷4= |
12 ×6= |
3 ×2×8= |
56 ÷7÷4= |
35 ÷5= |
17 ×3= |
5 ×2×6= |
48 ÷8÷2= |
40 ÷8= |
13 ×4= |
2 ×2×7= |
50 ÷5÷5= |
49÷7= |
15 ×2= |
3 ×3×5= |
72 ÷9÷2= |
答案:8,7,7,5,7;98,72,51,52,30;72,48,60,28,45;3,2,3,2,4
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