问题
解答题
脱式计算
92.5×0.25×4
6.7×0.9+6.7×0.1.
答案
①92.5×0.25×4
=92.5×(0.25×4)
=92.5×1
=92.5;
②6.7×0.9+6.7×0.1
=6.7×(0.9+0.1)
=6.7×1
=6.7.
脱式计算
92.5×0.25×4
6.7×0.9+6.7×0.1.
①92.5×0.25×4
=92.5×(0.25×4)
=92.5×1
=92.5;
②6.7×0.9+6.7×0.1
=6.7×(0.9+0.1)
=6.7×1
=6.7.