(6/5-8/1)÷3/6÷6 (0.75-16/3)X(9/2+3/2) 17*37/2÷17/15÷37/35 18*23/11+5÷11/23*60% 5/2-0.28*7/1
展开全部
(5/6-1/8)÷6/3÷6
=(5/6-1/8)×12
=10-3/2
=10-1.5
=8.5
(0.75-3/16)X(2/9+2/3)
=(12/16-3/16)×(2/9+6/9)
=9/16×8/9
=8/16
=2分之1
2/17*37÷15/17÷35/37
=2*15/37×37/35
=6/7
=7分之6
(18*11/23+5÷23/11)*60%
=(18*11/23+5*11/23)*0.6
=11/23*(18+3+5)*0.6
=11*0.6
=6.6
2/ 5-0.28*1/7
=0.4-0.4
=0
=(5/6-1/8)×12
=10-3/2
=10-1.5
=8.5
(0.75-3/16)X(2/9+2/3)
=(12/16-3/16)×(2/9+6/9)
=9/16×8/9
=8/16
=2分之1
2/17*37÷15/17÷35/37
=2*15/37×37/35
=6/7
=7分之6
(18*11/23+5÷23/11)*60%
=(18*11/23+5*11/23)*0.6
=11/23*(18+3+5)*0.6
=11*0.6
=6.6
2/ 5-0.28*1/7
=0.4-0.4
=0
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