问题
计算题
计算下面各题,能简算的要简算。
|
答案
(1)原式=254×(99+1)
=254×100
=25400
=7824-221
=7603
(3)原式=864-300+1
=564+1
=565
=2700-600
=2100
(5)原式=5000-(720+210)÷31
=5000-930÷31
=5000-30
= 4970
计算下面各题,能简算的要简算。
|
(1)原式=254×(99+1)
=254×100
=25400
=7824-221
=7603
(3)原式=864-300+1
=564+1
=565
=2700-600
=2100
(5)原式=5000-(720+210)÷31
=5000-930÷31
=5000-30
= 4970