早教吧作业答案频道 -->其他-->
(2014•东台市)计算下面各题,能简算的简算198-600÷25×451×9.9+5.118×(42÷15+8.2)6+[(35+110)×521]10-27-17÷151116+813-(1116+513)
题目详情
(2014•东台市)
计算下面各题,能简算的简算 198-600÷25×4 | 51×9.9+5.1 | ||||||||||||||
18×(42÷15+8.2) | 6+[(
| ||||||||||||||
10-
|
|
▼优质解答
答案和解析
(1)198-600÷25×4
=198-24×4
=198-96
=102;
(2)51×9.9+5.1
=5.1×99+5.1
=5.1×(99+1)
=5.1×100
=510;
(3)18×(42÷15+8.2)
=18×(2.8+8.2)
=18×11
=198;
(4)6+[(
+
)×
]
=6+[
×
]
=6+
=6
;
(5)10-
-
÷
=10-
-
=10-(
+
)
=10-1
=9;
(6)
+
-(
+
)
=(
-
)+(
-
)
=0+
=
.
=198-24×4
=198-96
=102;
(2)51×9.9+5.1
=5.1×99+5.1
=5.1×(99+1)
=5.1×100
=510;
(3)18×(42÷15+8.2)
=18×(2.8+8.2)
=18×11
=198;
(4)6+[(
3 |
5 |
1 |
10 |
5 |
21 |
=6+[
7 |
10 |
5 |
21 |
=6+
1 |
6 |
=6
1 |
6 |
(5)10-
2 |
7 |
1 |
7 |
1 |
5 |
=10-
2 |
7 |
5 |
7 |
=10-(
2 |
7 |
5 |
7 |
=10-1
=9;
(6)
11 |
16 |
8 |
13 |
11 |
16 |
5 |
13 |
=(
11 |
16 |
11 |
16 |
8 |
13 |
5 |
13 |
=0+
3 |
13 |
=
3 |
13 |
看了 (2014•东台市)计算下面...的网友还看了以下:
口算250×8=75×0=0÷39=10.3-4=3.8+7.5=1-0.1=913-513=1- 2020-04-07 …
直接写出得数.5.1÷0.01=134÷1.75=4.1+4.1÷2=47×5.6=1÷12-12 2020-04-07 …
直接写出得数.7.2÷0.6=12.3+8.7=58-12=23-11.98=15×3÷15×3= 2020-04-07 …
计算:(1)(-513)÷(-16)÷(-2);(2)-4+2×(-3)-6÷0.25;(3)(- 2020-04-07 …
圆x2+y2+2x-6y+1=0关于直线ax-by+3=0(a>0,b>0)对称,则1a+3b的最 2020-04-07 …
脱式计算.(能简算的要简算)9.1-0.64-0.364×0.8×2.5×12.513×10.29 2020-04-07 …
在横线里填上“>”、“<”或“=”.1.04×0.991.0451×0.510.513.27×1. 2020-07-09 …
(2011•绍兴县)递等式计算(1)4.96-(1.3+2.96)(2)(23+12)×67-51 2020-07-18 …
比较1.513.1、23.1、213.1的大小关系是()A.23.1<213.1<1.513.1B 2020-07-19 …
(2005•永登县)直接写出得数:3.4-813-513=(23+45)×15=2.4×23=10× 2020-11-19 …