3/8×(1/6+3/4÷3/5) (9/14-3/7)× (5/6+1/3) 怎样简便
3/8×(1/6+3/4÷3/5)(9/14-3/7)×(5/6+1/3)怎样简便就怎样算,并且出必要的简算过程。...
3/8×(1/6+3/4÷3/5) (9/14-3/7)× (5/6+1/3) 怎样简便就怎样算,并且出必要的简算过程。
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3/8×(1/6+3/4÷3/5)
=3/8×(1/6+3/4×5/3)
=3/8×1/6+3/8×5/4
=1/16+15/32
=2/塌宴32+15/32
=17/32
(9/14-3/7)× (5/6+1/皮衫巧3)
=(9/14-6/14)× (5/6+2/6)
=3/燃键14×7/6
=1/4
=3/8×(1/6+3/4×5/3)
=3/8×1/6+3/8×5/4
=1/16+15/32
=2/塌宴32+15/32
=17/32
(9/14-3/7)× (5/6+1/皮衫巧3)
=(9/14-6/14)× (5/6+2/6)
=3/燃键14×7/6
=1/4
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3/8×(1/6+3/4÷3/5)
=3/8×(1/6+3/4×5/3)
=3/8×(1/塌宴6+5/4)
=3/燃键8×1/皮衫巧6+3/8×5/4
=1/16+15/32
=17/32,
(9/14-3/7)× (5/6+1/3)
=(9/14_6/14)×(5/6+2/6)
=3/14×7/6
=1/4
=3/8×(1/6+3/4×5/3)
=3/8×(1/塌宴6+5/4)
=3/燃键8×1/皮衫巧6+3/8×5/4
=1/16+15/32
=17/32,
(9/14-3/7)× (5/6+1/3)
=(9/14_6/14)×(5/6+2/6)
=3/14×7/6
=1/4
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3/8×(1/6+3/庆姿行4÷3/5)
=3/8×(1/6+5/4)
=3/8×1/6+3/8×5/4
=1/16+15/32
=17/32
(9/誉哗14-3/7)× (5/册好6+1/3)
=3/14×7/6
=1/4.
=3/8×(1/6+5/4)
=3/8×1/6+3/8×5/4
=1/16+15/32
=17/32
(9/誉哗14-3/7)× (5/册好6+1/3)
=3/14×7/6
=1/4.
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