
18-(3.4+1.25×0.24)能用简便方法怎么做?
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18-(3.4+1.25×0.24)能用简便方法怎么做?
18-(3.4+1.25×0.24)
=18-(3.4+0.3)
=18-3.7
=14.3
18-(3.4+1.25×0.24)
=18-(3.4+0.3)
=18-3.7
=14.3
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简算:
18-(3.4+1.25×0.24)
=18-(3.4+1.25×0.8×0.3)
=18-(3.4+1×0.3)
=18-(3.4+0.3)
=18-3.7
=18-(4-0.3)
=18-4+0.3
=14+0.3
=14.3
18-(3.4+1.25×0.24)
=18-(3.4+1.25×0.8×0.3)
=18-(3.4+1×0.3)
=18-(3.4+0.3)
=18-3.7
=18-(4-0.3)
=18-4+0.3
=14+0.3
=14.3
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18-(3.4+1.25×0.24)
=18-(3.4+1.25×8x0.03)
=18-(3.4+10x0.03)
=18-(3.4+0.3)
=18-3.7
=14.3
=18-(3.4+1.25×8x0.03)
=18-(3.4+10x0.03)
=18-(3.4+0.3)
=18-3.7
=14.3
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简单方法:
18-(3.4+1.25x0.24)
=18-3.4-(1.25x0.24)
=14.6-(1.25x8x0.03)
=14.6-(10x0.03)
=14.6-0.3
=14.3
18-(3.4+1.25x0.24)
=18-3.4-(1.25x0.24)
=14.6-(1.25x8x0.03)
=14.6-(10x0.03)
=14.6-0.3
=14.3
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