(7.5-2.3×0.4)÷0.01用简便方法怎么算

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(7.5-2.3×0.4)÷0.01用简便方法怎么算
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(7.5-2.3×0.4)÷0.01用简便方法怎么算
(7.5-2.3×0.4)÷0.01用简便方法怎么算

(7.5-2.3×0.4)÷0.01用简便方法怎么算
(7.5-2.3×0.4)÷0.01
=7.5÷0.01-2.3×0.4÷0.01
=750-23×4
=750-92
=658