计算:...

2023-07-12 17:55发布

这道初中数学的题目是:
计算:
1条回答
黑色幽默
2023-07-12 18:18
这道初中数学题的正确答案为:
原式,·············································· (3分)
,····························································· (6分)
.··········································································· (8分)
解题思路
用乘法分配律计算较简单.
点评:解题时要根据题目特点,灵活运用运算律,以简化计算.

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