6.3×0.52+5.2x0.37怎样简便计算？

Question

6.3×0.52+5.2×0.37怎样简便计算？

Answer 1

6.3×0.52+5.2x0.37
=6.3x0.52+0.52x3.7
=（6.3+3.7）x0.52
=10x0.52
=5.2

Answer 2

此题可用乘法分配律，即为6.3×0.52+0.52×3.7=（6.3+3.7）×0.52=10×0.52=5.2

Answer 3

计算为 6.3*5.2+5.2*3.7 =5.2*（6.3+3.7）=5.2*10 =52

Answer 4

6.3×0.52+5.2×0.37

=6.3×0.52+0.52×3.7   ................改写

=0.52×（6.3+3.7）  ..............乘法的分配律

=0.52×10

=5.2

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