问题
计算题
脱式计算,能简算的要简算。
|
答案
(1)原式=65.8-15.8+6.9
=50+6.9
=56.9
=7200+144
=7344
(3)原式=10.97-8.96
=2.01
=78
(5)原式=15.7+4.3-(10.17+5.83)
=20-16
= 4
=3
脱式计算,能简算的要简算。
|
(1)原式=65.8-15.8+6.9
=50+6.9
=56.9
=7200+144
=7344
(3)原式=10.97-8.96
=2.01
=78
(5)原式=15.7+4.3-(10.17+5.83)
=20-16
= 4
=3