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(0.8+8)*0.125=(用简便方法计算)

=0.8×0.125+8×0.125=0.1+1=1.1

(0.8+8)x0.125简便运算 =0.8×0.125+8×0.125 =0.1+1 =1.1

(0.8+0.08)x125 =0.8x125+0.08x125 =100+10 =110

8*9*0.125 =8*0.125*9 =1*9 =9 请采纳◑▂◑

=1.25×8-0.125×8 =10-1 =9 ~亲,如果你认可我的回答,请点击【采纳为满意回答】按钮~ ~手机提问的朋友在客户端上评价点【满意】即可。 ~你的采纳是我前进的动力~~ O(∩_∩)O,互相帮助,祝共同进步!

(8+0.8-0.08)x125 =8x125+0.8x125-0.08x125 =1000+100-10 =1090

=8×0.125×0.8 =1×0.8 =0.8

①8.8×0.125=1.1×(8×0.125)=1.1×1=1.1;②7.6×5.3+3.7×7.6=7.6×(5.3+3.7)=7.6×9=68.4;③0.8×0.02×12.5×5=(0.8×12.5)×(0.02×5)=10×0.1=1.

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