题目内容
8个0.1和72个0.01合在一起是
- A.1.2
- B.80
- C.0.8
- D.1.52
D
分析:根据题意,先分别求出8个0.1与72个0.01的积,然后再相加即可.
解答:
0.1×8+0.01×72,
=0.8+0.72,
=1.52.
故答案选:D.
点评:关键是先求出各自的乘积,然后再把这两个积相加.
分析:根据题意,先分别求出8个0.1与72个0.01的积,然后再相加即可.
解答:
0.1×8+0.01×72,
=0.8+0.72,
=1.52.
故答案选:D.
点评:关键是先求出各自的乘积,然后再把这两个积相加.
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