1.25×67.875+125×6.7875+1250×0.053375简便运算,脱式

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1.25×67.875+125×6.7875+1250×0.053375简便运算,脱式1.25×67.875+125×6.7875+1250×0.053375简便运算,脱式1.25×67.875+12

1.25×67.875+125×6.7875+1250×0.053375简便运算,脱式
1.25×67.875+125×6.7875+1250×0.053375
简便运算,脱式

1.25×67.875+125×6.7875+1250×0.053375简便运算,脱式
1.25×67.875+125×6.7875+1250×0.053375
=1.25×67.875+1.25×678.75+1.25×53.375
=1.25×(67.875+678.75+53.375)
=1.25×800
=1000