43×6.9+6.9×5.7的简便计算谁知道,尽快答复我,我还等着做题呢!是 43×6.9+6.9×

发布时间：2021-03-16 11:13:52

43×6.9+6.9×5.7的简便计算谁知道,尽快答复我,我还等着做题呢!是 43×6.9+6.9×5.7

网友回答

6.9*(43+5.7)
=6.9*48.7
=336.03
======以下答案可供参考======
供参考答案1:
4.3×6.9+6.9×5.7
=（4.3+5.7）×6.9
=10×6.9
=69供参考答案2:
354.03
供参考答案3:
43*6.9+6.9*5.7
=6.9*(43+5.7)
=(7-0.1)*48.7
=340.9-4.87
=336.03
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