脱式计算,能简算简算,脱式计算,能简算简算5/6-2/3+1/87/10+3/8-1/55/16+(1/9+8/9)

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脱式计算,能简算简算,脱式计算,能简算简算5/6-2/3+1/87/10+3/8-1/55/16+(1/9+8/9)
脱式计算,能简算简算,
脱式计算,能简算简算
5/6-2/3+1/8
7/10+3/8-1/5
5/16+(1/9+8/9)

脱式计算,能简算简算,脱式计算,能简算简算5/6-2/3+1/87/10+3/8-1/55/16+(1/9+8/9)
5/6-2/3+1/8
=20/24-16/24+3/24
=4/24+3/24
=7/24
7/10+3/8-1/5
=28/40+15/40-8/40
=43/40-8/40
=35/40
=7/8
5/16+(1/9+8/9)
=5/16+1
=1又5/6

5/6-2/3+1/8
=20/24-16/24+3/24
=4/24+3/24
=7/24

7/10+3/8-1/5
=7/10-2/10+3/8
=1/2+3/8
=4/8+3/8
=7/8

5/16+(1/9+8/9)
=5/16+1
=1又5/16