
【0.75-16分之3】×【9分之2+3分之1】=、??
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【0.75-16分之3】×【9分之2+3分之1】
= (3/4 - 3/16) x (2/9 +1/3)
= (12/16 - 3/16)x(2/9+3/9)
= 9/16 x 5/9
= 5/16
= (3/4 - 3/16) x (2/9 +1/3)
= (12/16 - 3/16)x(2/9+3/9)
= 9/16 x 5/9
= 5/16
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