问题
计算题
能简便的用简便方法计算。
|
答案
(1)原式=16+125+17
=33+125
=158
=284-100
=184
=100×8
=800
(4)原式=150÷(25×2)
=150÷50
=3
=400+27
=427
=12×10
=120
(7)原式=4×(99+1)
=400
=3000
能简便的用简便方法计算。
|
(1)原式=16+125+17
=33+125
=158
=284-100
=184
=100×8
=800
(4)原式=150÷(25×2)
=150÷50
=3
=400+27
=427
=12×10
=120
(7)原式=4×(99+1)
=400
=3000