1.32÷0.05÷0.25÷0.5 简便运算
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1.32÷0.05÷0.25÷0.5 简便运算
1.32÷0.05÷0.25÷0.5 简便运算
1.32÷0.05÷0.25÷0.5 简便运算
1.32÷0.05÷0.25÷0.5=1.32*20*4*2=26.4*8=20*8+6*8+0.4*8=212.2
1.32÷0.05÷0.25÷0.5
=1.32*20*4*2
=26.4*8+6*8+0.4*8
=212.2
应该是对的,奥数老师是这样讲的。
=1.32÷(1÷20)÷(1÷4)÷(1÷2)
=1.32×20×4×2
=1.32×80×2
=(1.25+0.07)×80×2
=1.25×80×2+0.07×80×2
=200+11.2
=211.2
1.32÷0.05÷0.25÷0.5
1.32÷0.05÷0.25÷0.5 简便运算
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