5.9×4.8+59×0.42+5.9﹙简算)
问题描述:
5.9×4.8+59×0.42+5.9﹙简算)
答
5.9×4.8+59×0.42+5.9
=5.9×4.8+5.9×4.2+5.9
=5.9x(4.8+4.2+1)
=5.9x10
=59