直接写出得数
+ = | - = | 636-198= | 24÷ = | ×45= |
| 36-18= | 0.48÷0.3= | 2.5×40= | 7÷19= | 3.7×1000= |
| 18×1%= | 1- = | ÷ = | 0÷9.9= | 3.6÷0.036= |
×15= | 0.92= | 10:0.2= | ÷15= | ÷ = |
| 0.125×20×8= | ÷ = | 1÷ = | ×8= | ×11= |
10+ = | × = | 1+20%= | 8÷ = | 20÷0.4= |
解:
+ = , | - = , | 636-198=438, | 24÷ =32, | ×45=35, |
| 36-18=18, | 0.48÷0.3=1.6, | 2.5×40=100, | 7÷19= , | 3.7×1000=3700, |
| 18×1%=18%, | 1- = , | ÷ = , | 0÷9.9=0, | 3.6÷0.036=100, |
×15=5, | 0.92=0.81, | 10:0.2=50, | ÷15= , | ÷ = , |
| 0.125×20×8=20, | ÷ = , | 1÷ = , | ×8=6, | ×11= , |
10+ =10 , | × = , | 1+20%=120%, | 8÷ =10, | 20÷0.4=50. |
分析:本题根据分数、小数的加法、减法、乘法与除法的运算法则计算即可.636-198可根据凑整法计算;0.125×20×8可根据乘法分配律计算.
点评:完成本题要细心,根据运算法则认真分析式中数据,然后快带准确得出答案.
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