4.8/(2.3×0.4)简便计算

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4.8/(2.3×0.4)简便计算4.8/(2.3×0.4)简便计算4.8/(2.3×0.4)简便计算4.8/(2.3*0.4)=(4.8/0.4)/2.3=12/2.3=120/23≈5.224.8

4.8/(2.3×0.4)简便计算
4.8/(2.3×0.4)简便计算

4.8/(2.3×0.4)简便计算
4.8/(2.3*0.4)
=(4.8/0.4)/2.3
=12/2.3
=120/23
≈5.22

4.8/(2.3×0.4)=48/(2.3×4)=12/2.3=120/23

(4.8/0.4)/2.3 = 12/2.3 = 120/23

=120除23