6.3×0.98 简便运算,怎么算

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6.3×0.98 简便运算,怎么算

6.3×0.98 简便运算,怎么算
6.3×0.98 简便运算,怎么算

6.3×0.98 简便运算,怎么算
6.3×0.98
=6.3x(1-0.02)
=6.3x1-6.3x0.02
=6.3-0.126
=6.174

=6.3×(1-0.02)
=6.3×1-6.3×0.02
=6.3-0.126
=6.174

6.3X(1-0.02)=6.3X1-6.3X0.02

=6.3*(1-0.02)
=6.3*1-6.3*0.02
=6.3-0.126
=6.174