题目内容
0.20+0.15=
[ ]
A.0.32
B.0.23
C.0.35
D.0.53
答案:C
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混合运算.(写出计算过程)
| 28.7-14.7÷1.4 | 0.25×4.56×40 | (1.7+3.3÷5)×0.2 |
| 0.45+0.15×997 | 12×0.25+8.8×2.5 | (3-1.6)÷2.5×0.1. |
题目内容
0.20+0.15=
[ ]
| 28.7-14.7÷1.4 | 0.25×4.56×40 | (1.7+3.3÷5)×0.2 |
| 0.45+0.15×997 | 12×0.25+8.8×2.5 | (3-1.6)÷2.5×0.1. |