1.53.7*0.37+5.37*6.3请各位哥哥姐姐帮个忙!
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1.53.7*0.37+5.37*6.3请各位哥哥姐姐帮个忙!1.53.7*0.37+5.37*6.3请各位哥哥姐姐帮个忙!1.53.7*0.37+5.37*6.3请各位哥哥姐姐帮个忙!53.7*0.
1.53.7*0.37+5.37*6.3请各位哥哥姐姐帮个忙!
1.53.7*0.37+5.37*6.3
请各位哥哥姐姐帮个忙!
1.53.7*0.37+5.37*6.3请各位哥哥姐姐帮个忙!
53.7*0.37+5.37*6.3
=5.37*3.7+5.37*6.3 (这步最关键,第一个数缩小十倍,第二个数扩大十倍)
=5.37*(3.7+6.3)
=5.37*10
=53.7
1.53.7*0.37+5.37*6.3请各位哥哥姐姐帮个忙!
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