(2009•湛江模拟)能简算的要简算.
来源:学生作业帮 编辑:灵鹊做题网作业帮 分类:综合作业 时间:2024/05/02 09:30:39
(2009•湛江模拟)能简算的要简算.
(1)
(1)
4 |
5 |
(1)
4
5×3.5+5.5×80%+0.8,
=0.8×3.5+5.5×0.8+0.8,
=0.8×(3.5+5.5+1),
=0.8×10,
=8;
(2)(8.8-23.4×
1
3)÷
5
9,
=(8.8-7.8)÷
5
9,
=1÷
5
9,
=1
4
5;
(3 ) 5.04×6.5+35×0.504
=0.504×65+35×0.504,
=0.504×(65+35),
=0.504×100,
=50.4;
(4)
13
18÷(
5
6+
2
3×
3
8),
=
13
18÷(
5
6+
1
4),
=
13
18×
12
13,
=
2
3.
4
5×3.5+5.5×80%+0.8,
=0.8×3.5+5.5×0.8+0.8,
=0.8×(3.5+5.5+1),
=0.8×10,
=8;
(2)(8.8-23.4×
1
3)÷
5
9,
=(8.8-7.8)÷
5
9,
=1÷
5
9,
=1
4
5;
(3 ) 5.04×6.5+35×0.504
=0.504×65+35×0.504,
=0.504×(65+35),
=0.504×100,
=50.4;
(4)
13
18÷(
5
6+
2
3×
3
8),
=
13
18÷(
5
6+
1
4),
=
13
18×
12
13,
=
2
3.
(2009•湛江模拟)WTO指的是( )
(2009•湛江模拟)策略题.
(2009•湛江模拟)回答下列有关化学用语的问题.
(2009•湛江模拟)读南极洲图,回答问题:
(2009•湛江模拟)读“澳大利亚”图,回答问题
(2009•湛江模拟)关于巴西的说法,正确的是( )
(2009•湛江模拟)关于俄罗斯的欧洲部分,说法正确的是( )
(2009•湛江模拟)下列关于印度城市的叙述正确的是( )
(2009•湛江模拟)关于本初子午线的叙述,正确的是( )
(2009•湛江模拟)关于如图两省区的判断,正确的是( )
(2012•湛江模拟)治理黄河的关键在于做好黄土高原地区的______.
(2009•湛江模拟)下列对亚洲人口说法正确的是( )