题目内容
4.3减去2.01与2.2的和,然后除以0.2,商是多少?列式是( )
| A.4.3一2.01+2.2÷0.2 | B.4.3一(2.01+2.2)÷0.2 |
| C.[4.3一(2.01+2.2)]÷0.2 | D.[(4.3一2.01)+2.2]÷0.2 |
[4.3-(2.01+2.2)]÷0.2,
=[4.3-4.21]÷0.2,
=0.09÷0.2,
=0.45.
故选:C.
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