| 直接写出结果. 27+68= | 910-540= | 18×40= | 910÷70= |
| 78-0.98= | 3÷7= | 10÷0.1= | 32×12.5%= |
| 8.1÷0.03= | 1.5×0.5= | + = | + = |
- = | 12- = | × = | ÷ = |
| 27+68=95, | 910-540=370, | 18×40=720, | 910÷70=13, |
| 78-0.98=77.02, | 3÷7= , | 10÷0.1=100, | 32×12.5%=4, |
| 8.1÷0.03=270, | 1.5×0.5=0.75, | + = , | + = , |
- = , | 12- =11 , | × = , | ÷ = . |
,100,4,270,0.75,
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.分析:本题根据整数、小数、分数的加法、减法、乘法、除法的运算法则计算即可.
点评:完成此类题目要细心分析式中数据,快速准确得出答案.
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