| 口算: 1.6×5 | 910-530 | 12.6÷3 | 3.48+6.52 |
| 39÷13 | 3÷0.01 | + | + |
× | 1.02-0.42 | 1÷ | ÷ . |
| 解:1.6×5=8; | 910-530=380; | 12.6÷3=4.2; | 3.48+6.52=10; |
| 39÷13=3; | 3÷0.01=300; | + =1.4; | + = ; |
× =0.5; | 1.02-0.42=0.6; | 1÷ =1.8; | ÷ = . |
,0.5,0.6,1.8,
.分析:(1)(3)(4)(6)(10)依据小数四则运算计算方法解答;
(2)(5)依据整数四则运算计算方法解答;
(7)(8)(9)(11)(12)依据分数四则运算计算方法解答.
点评:本题主要考查学生运用四则运算计算方法解决问题的能力.
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