题目内容
27÷3= | 530+170= | 0×180= | 32÷8×25= |
64+85= | 60×8= | 450+230= | 206+194-340= |
360-300= | 49÷7= | 820-120= | 150-60+40= |
150×4= | 420+90= | 54÷9= | 125×8-1000= |
720 720 -360=360 |
680+ 120 120 =800 |
50 50 ×4=200. |
分析:我们运用整数乘除法的计算法则及整数的四则混合运算的顺序进行计算即可.
解答:
故答案为:720,120,50.
解:27÷3=9, | 530+170=700, | 0×180=0, | 32÷8×25=100, |
64+85=149, | 60×8=480, | 450+230=680, | 206+194-340=60, |
360-300=60, | 49÷7=7, | 820-120=700, | 150-60+40=130, |
150×4=600, | 420+90=510, | 54÷9=6, | 125×8-1000=0. |
720-360=360 | 680+120=800 | 50×4=200. |
点评:学生计算的时候,注意式子中的0及结果中的0的个数,认真计算,提高计算的能力.
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64+85= | 60×8= | 450+230= | 206+194-340= |
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