(0.75-3/16)*(2/9+1/3) (六年级计算)

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(0.75-3/16)*(2/9+1/3) (六年级计算)
(0.75-3/16)*(2/9+1/3) (六年级计算)

(0.75-3/16)*(2/9+1/3) (六年级计算)
(0.75-3/16)*(2/9+1/3)
=(3/4-3/16)*(2/9+3/9)
=9/16*5/9
=5/16

=(3/4-3/16)*(2/9+1/3)
=(12/16-3/16)*(2/9+3/9)
=(9/16)*(5/9)
=5/16

5/16