| 能用简便方法的用简便方法计算. 105×32-3232÷32 125×3
(
210.5×[(6.05-3.35)÷1.5] (
0.75×16+
|
| (1)105×32-3232÷32, =3360-101, =3159; (2)125×3
=125×0.8×(
=100×1, =100; (3)(
=
=9-7-
=2-
=1
(4)210.5×[(6.05-3.35)÷1.5], =210.5×[(6.05-3.35)÷1.5], =210.5×[2.7÷1.5], =210.5×1.8, =378.9; (5)(
=(
=
=
(6)0.75×16+
=0.75×16+0.75×5-0.75, =(16+5-1)×0.75, =20×0.75, =15. |
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