
脱式计算。能简算的要简算。
1个回答
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12÷0.3×0.6
=40×0.6
=24
1/14+1/4×6/7÷3/8
=1/14+1/4×6/7×8/3
=1/14+3/14×8/3
=1/14+8/14
=9/14
0.75÷0.2+7×0.75
=3.75+5.25
=9
(1/5+1/3)×3/2÷4/5
=8/15×3/2×5/4
=0.8×1.25
=1
=40×0.6
=24
1/14+1/4×6/7÷3/8
=1/14+1/4×6/7×8/3
=1/14+3/14×8/3
=1/14+8/14
=9/14
0.75÷0.2+7×0.75
=3.75+5.25
=9
(1/5+1/3)×3/2÷4/5
=8/15×3/2×5/4
=0.8×1.25
=1
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