题目内容
用简便方法计算
1.27+3.9+0.73+16.1=
[ ]
A.22 B.13.245
C.8.93 D.3.66
答案:A
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1.25×32×0.25=
[ ]
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A.110 |
B.10 |
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C.7.6 |
D.82 |
用简便方法计算
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题目内容
用简便方法计算
1.27+3.9+0.73+16.1=
[ ]
A.22 B.13.245
C.8.93 D.3.66
用简便方法计算.
1.25×32×0.25=
[ ]
|
A.110 |
B.10 |
|
C.7.6 |
D.82 |
| 1.2×2.5+2.8×2.5 | 4.8×2.5. |