问题
计算题
脱式计算。(能简算的要简算)
|
答案
(1)原式=16.8-6.8×0.25
=16.8-1.7
=15.1
=10×6.5
=65
(3)原式=0.25×4×(8×1.25)
=1×10
=10
=14.032
(5)原式=(10+0.1)×0.99
=9.9+0.099
=9.999
= 4.66×0.1
=0.466
单项选择题
脱式计算。(能简算的要简算)
|
(1)原式=16.8-6.8×0.25
=16.8-1.7
=15.1
=10×6.5
=65
(3)原式=0.25×4×(8×1.25)
=1×10
=10
=14.032
(5)原式=(10+0.1)×0.99
=9.9+0.099
=9.999
= 4.66×0.1
=0.466