问题
计算题
用简便方法计算。
|
答案
(1)原式= 4.35+15.65+(8.6+1.4)
=30
=10.32
(3)原式=37.6-7.6-3.25
=26.75
= 4.68
(5)原式=6.27+1.73+3.83
=11.83
=7
用简便方法计算。
|
(1)原式= 4.35+15.65+(8.6+1.4)
=30
=10.32
(3)原式=37.6-7.6-3.25
=26.75
= 4.68
(5)原式=6.27+1.73+3.83
=11.83
=7