9.6*1.4+3.2*5.8简便运算.
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9.6*1.4+3.2*5.8简便运算.
不介意的话我会再问.谁第一回复+答了我6道题我就给谁满意答复
不介意的话我会再问.谁第一回复+答了我6道题我就给谁满意答复
![9.6*1.4+3.2*5.8简便运算.](/uploads/image/z/870603-51-3.jpg?t=9.6%2A1.4%2B3.2%2A5.8%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97.)
9.6*1.4+3.2*5.8
=3.2*3*1.4+3.2*5.8
=3.2*(3*1.4+5.8)
=3.2*10
=32
再问: (9.45+9.9)÷0.9 谢谢
再答: (9.45+9.9)÷0.9 =9.45÷0.9+9.9÷0.9 =10.5+11 =21.5
=3.2*3*1.4+3.2*5.8
=3.2*(3*1.4+5.8)
=3.2*10
=32
再问: (9.45+9.9)÷0.9 谢谢
再答: (9.45+9.9)÷0.9 =9.45÷0.9+9.9÷0.9 =10.5+11 =21.5