
计算(能简便计算的要用简便方法计算)945÷(720-21×33)9.05-11.3×0.6-1.22815÷23+123×7251427÷[8
计算(能简便计算的要用简便方法计算)945÷(720-21×33)9.05-11.3×0.6-1.22815÷23+123×7251427÷[89×(12-38)]....
计算(能简便计算的要用简便方法计算)945÷(720-21×33)9.05-11.3×0.6-1.22815÷23+123×7251427÷[89×(12-38)].
展开
1个回答
展开全部
(1)945÷(720-21×33),
=945÷(720-693),
=945÷27,
=35;
(2)9.05-11.3×0.6-1.22,
=9.05-6.78-1.22,
=9.05-(6.78+1.22),
=9.05-8,
=1.05;
(3)
÷23+
×
,
=
×
+
×
,
=(
+
)×
,
=1×
,
=
;
(4)
÷[
×(
-
)],
=
÷[
×
],
=
÷
,
=
×9,
=
.
=945÷(720-693),
=945÷27,
=35;
(2)9.05-11.3×0.6-1.22,
=9.05-6.78-1.22,
=9.05-(6.78+1.22),
=9.05-8,
=1.05;
(3)
8 |
15 |
1 |
23 |
7 |
15 |
=
8 |
15 |
1 |
23 |
1 |
23 |
7 |
25 |
=(
8 |
15 |
7 |
15 |
1 |
23 |
=1×
1 |
23 |
=
1 |
23 |
(4)
14 |
27 |
8 |
9 |
1 |
2 |
3 |
8 |
=
14 |
27 |
8 |
9 |
1 |
8 |
=
14 |
27 |
1 |
9 |
=
14 |
27 |
=
14 |
3 |
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询