9除以0.75加9除以0.25简便计算

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9除以0.75加9除以0.25简便计算
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9除以0.75加9除以0.25简便计算
9除以0.75加9除以0.25简便计算

9除以0.75加9除以0.25简便计算
9除以0.75加9除以0.25
=9×4/3+9×4
=9×4×(1/3+1)
=36×4/3
=48

9除以0.75加9除以0.25
=9÷3/4+9÷1/4
=9×4/3+9×4
=3×4+9×4
=(3+9)×4
=12×4
=48

9÷0.75+9÷0.25
=9÷0.25÷3+9÷0.25
=(9÷3)÷0.25+9÷0.25
=3÷0.25+9÷0.25
=(3+9)÷0.25
=12÷0.25
=12x4
=48

=9×(4/3+4) =12+36 =48