(5/12-5/16)×4/5+2/3-3/4 能简算就简算1.(5/12-5/16)×4/5+2/3-3/42.【1-(1/3-1/6)】×2/5

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(5/12-5/16)×4/5+2/3-3/4能简算就简算1.(5/12-5/16)×4/5+2/3-3/42.【1-(1/3-1/6)】×2/5(5/12-5/16)×4/5+2/3-3/4能简算就

(5/12-5/16)×4/5+2/3-3/4 能简算就简算1.(5/12-5/16)×4/5+2/3-3/42.【1-(1/3-1/6)】×2/5
(5/12-5/16)×4/5+2/3-3/4 能简算就简算
1.(5/12-5/16)×4/5+2/3-3/4
2.【1-(1/3-1/6)】×2/5

(5/12-5/16)×4/5+2/3-3/4 能简算就简算1.(5/12-5/16)×4/5+2/3-3/42.【1-(1/3-1/6)】×2/5
原式=3分之1一4分之1十3分之2一4分之3
=1一1
=0.
2.原式=[1一6分之1]x5分之2
=6分之5x5分之2
=3分之1.

1.(5/12-5/16)×4/5+2/3-3/4
=5/12*4/5-5/16*4/5+2/3-3/4
=1/3-1/4+2/3-3/4
=1/3+2/3-(1/4+3/4)
=1-1
=0
2.【1-(1/3-1/6)】×2/5
=(1-1/6)*2/5
=5/6*2/5
=1/3
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