0.25*0.75/0.25*0.75的简便运算

Question

0.25*0.75/0.25*0.75的简便运算

Answer 1

0.25x0.75÷0.25x0.75
=（0.25÷0.25）x（0.75x0.75）
=1x0.5625
=0.5625
，
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