| 225+475= | 19.3-2.7= | + = | 1 ÷1.75= | × = |
| 5.1÷0.01= | ×5.6= | 8.1-6 = | 41+1÷2= | (3.5%-0.035)÷2 = |
| 解:225+475=700, | 19.3-2.7=16.6, | + =1.25, | 1 ÷1.75=1, |
× =0.5, | 5.1÷0.01=510, | ×5.6=3.2, | 8.1-6 =1.6, |
| 4.1+1÷2=4.6, | (3.5%-0.035)÷2 =0. |
分析:(1)(2)(6)(9)依据小数四则运算计算方法解答,
(3)(4)(5)(7)依据分数四则运算计算方法解答,
(10)先算括号里面的减法,再算除法解答.
点评:本题主要考查学生依据小数、分数四则运算计算方法解决问题的能力.
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