简便运算.1500÷25 888×12-222×24+444×38
问题描述:
简便运算.1500÷25 888×12-222×24+444×38
答
1=15× (100÷25)
=15×4
=60
2)
=444×24-444×12+444×38
=444×(24-12+38)
=444×50
=22200