45.8-14.82÷7.6×0.3的简便运算不满意,我出这个,他做这个。简直就是胡来?
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45.8-14.82÷7.6×0.3
=45.8-15.2÷7.6X0.3+0.38÷7.6X0.3
=45.8-2X0.3+0.05X0.3
=45.8-0.6+0.015
=45.2+0.015
=45.215
=45.8-15.2÷7.6X0.3+0.38÷7.6X0.3
=45.8-2X0.3+0.05X0.3
=45.8-0.6+0.015
=45.2+0.015
=45.215
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