(0.75-3/16)*(2/9+1/3)怎样简便就怎样简便还有45*(7/9+4/15-3/5)

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(0.75-3/16)*(2/9+1/3)怎样简便就怎样简便还有45*(7/9+4/15-3/5)
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(0.75-3/16)*(2/9+1/3)怎样简便就怎样简便还有45*(7/9+4/15-3/5)
(0.75-3/16)*(2/9+1/3)怎样简便就怎样简便
还有45*(7/9+4/15-3/5)

(0.75-3/16)*(2/9+1/3)怎样简便就怎样简便还有45*(7/9+4/15-3/5)
(0.75-3/16)*(2/9+1/3)
=(12/16-3/16)×(2/9+3/9)
=9/16×5/9
=5/16
45*(7/9+4/15-3/5)
=45x7/9+45x4/15-45x3/5
=35+12-27
=47-27
=20

45*(7/9+4/15-3/5)
=45x7/9+45x4/15-45x3/5
=35+12-27
=47-27
=20

(0.75-3/16)*(2/9+1/3)
=(3/4-3/16)x(2/9+3*9)
=9/16x5/9
=5/16

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45*(7/9+4/15-3/5)
=45x7/9+45x4/15-45x3/5
=35+12-27
=47-27
=20

(0.75-3/16)*(2/9+1/3)
=(3/4-3/16)x(2/9+3*9)
=9/16x5/9
=5/16

很高兴为您解答,祝你学习进步!【学习宝典】团队为您答题。
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(0.75-3/16)*(2/9+1/3)
=(3/4-3/16)*(2/9+1/3)
=9/16*5/9
=5/16

45*(7/9+4/15-3/5)
=45*7/9+45*4/15-45*3/5
=35+12-27
=20

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45x(7/9+4/15-3/5)
=45x7/9+45x4/15-45x3/5
=35+12-27
=20
很高兴为您解答,祝你学习进步
有不明白的可以追问!

(0.75-3/16)*(2/9+1/3)=(3/4-3/16)(2/9+3/9)=(12/16-3/16)*(5/9)=(9/16)*(5/9)=5/16
45*(7/9+4/15-3/5)=35+12-27=47-27=20

1.(0.75-3/16)*(2/9+1/3)=(3/4-3/16)(2/9+3/9)=(12/16-3/16)x(5/9)=(9/16)x(5/9)=5/16
2.45x(7/9+4/15-3/5)=45x(37/45+12/45-27/45)=(37+12-27)=22