
0.8888x0.4-0.1111x0.2简便计算?
2个回答
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0.8888x0.4-0.1111x0.2
= 8x0.1111x0.4 - 0.1111x0.2
= 0.1111x(8x0.4-0.2)
=0.1111x(3.2-0.2)
= 0.1111x3
=0.3333
= 8x0.1111x0.4 - 0.1111x0.2
= 0.1111x(8x0.4-0.2)
=0.1111x(3.2-0.2)
= 0.1111x3
=0.3333
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