1.6÷0.25+0.96÷3.2要简算?

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1.6÷0.25+0.96÷3.2要简算?

1.6÷0.25+0.96÷3.2要简算?
1.6÷0.25+0.96÷3.2要简算?

1.6÷0.25+0.96÷3.2要简算?
1.6÷0.25+0.96÷3.2
=1.6÷0.25+1.92÷1.6
=1.6÷(0.25+0.96) 3.2借2个0.96=1.6
=1.6÷1.21

1.6÷0.25+0.96÷3.2=(1.6*4)÷(0.25*4)+(0.96*100)÷(3.2*100)=6.4÷1+96÷320=6.4+(96÷32)÷10=6.4+3÷10=6.4+0.3=6.7

6.7

左边除号两边同乘以4,右边除号两边同除以0.32