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请问一下,那个可以简算,并把简算的过程,给我,谢谢了哈
1个回答
2014-04-10 · 知道合伙人教育行家
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9-4.8÷6×0.5
=9-0.8×0.5
=9-0.4
=8.6
(1.4×0.3+2.46)1.8
=(0.42+2.46)÷1.8
=2.88÷1.8
=1.6
(2.5÷2+2÷2.5)×0.4
=(1.25+0.8)×0.4
=1.25×0.4+0.8×0.4
=0.5+0.32
=0.82
3.71+3.71×7.4-8.4×3.71
=3.71×(1+7.4-8.4)
=3.71×0
=0
1.2+8.8×1.25
=1.2+1.1×(8×1.25)
=1.2+1.1×10
=1.1+11
=12.1
16.2÷[64.8-(51.3-2.7)]
=16.2÷[64.8-48.6]
=16.2÷16.2
=1
=9-0.8×0.5
=9-0.4
=8.6
(1.4×0.3+2.46)1.8
=(0.42+2.46)÷1.8
=2.88÷1.8
=1.6
(2.5÷2+2÷2.5)×0.4
=(1.25+0.8)×0.4
=1.25×0.4+0.8×0.4
=0.5+0.32
=0.82
3.71+3.71×7.4-8.4×3.71
=3.71×(1+7.4-8.4)
=3.71×0
=0
1.2+8.8×1.25
=1.2+1.1×(8×1.25)
=1.2+1.1×10
=1.1+11
=12.1
16.2÷[64.8-(51.3-2.7)]
=16.2÷[64.8-48.6]
=16.2÷16.2
=1
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