
3.61×35÷427用简方法计算?
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3.61×35÷427
=3.61×35/427
=3.61×5/61
=(3+0.61)×5/61
=15/61+0.61×5/61
=15/61+0.05
=15/61+1/20
=(300+61)/1220
=361/1220
=3.61×35/427
=3.61×5/61
=(3+0.61)×5/61
=15/61+0.61×5/61
=15/61+0.05
=15/61+1/20
=(300+61)/1220
=361/1220
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