题目内容
| 14+0= | 0÷16= | (72-8×9)×8= |
| 45-45= | 540÷9= | (15+8+22)÷3= |
| 90÷18= | 180×4= | 750÷(20-15)= |
分析:根据整数加减乘除的计算方法进行计算;
(72-8×9)×8,(15+8+22)÷3,750÷(20-15)按照运算顺序进行计算.
(72-8×9)×8,(15+8+22)÷3,750÷(20-15)按照运算顺序进行计算.
解答:解:
| 14+0=14, | 0÷16=0, | (72-8×9)×8=0, |
| 45-45=0, | 540÷9=60, | (15+8+22)÷3=15, |
| 90÷18=5, | 180×4=720, | 750÷(20-15)=150. |
点评:口算时,注意运算符号和数据,然后再进一步计算.
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