早教吧作业答案频道 -->数学-->
35×12+350÷7054.2-29+4.8-1690.7÷[(56-14)×24]14÷x=23.
题目详情
35×12+350÷70
54.2-
+4.8-
0.7÷[(
-
)×24]
÷x=
.
54.2-
2 |
9 |
16 |
9 |
0.7÷[(
5 |
6 |
1 |
4 |
1 |
4 |
2 |
3 |
▼优质解答
答案和解析
①35×12+350÷70
=420+5
=425
②54.2-
+4.8-
=(54.2+4.8)-(
+
)
=59-2
=57
③0.7÷[(
-
)×24]
=0.7÷[
×24-24×
]
=0.7÷14
=0.05
④
÷x=
÷x×x=
×x
×x=
×x÷
=
÷
x=
=420+5
=425
②54.2-
2 |
9 |
16 |
9 |
=(54.2+4.8)-(
2 |
9 |
16 |
9 |
=59-2
=57
③0.7÷[(
5 |
6 |
1 |
4 |
=0.7÷[
5 |
6 |
1 |
4 |
=0.7÷14
=0.05
④
1 |
4 |
2 |
3 |
1 |
4 |
2 |
3 |
2 |
3 |
1 |
4 |
2 |
3 |
2 |
3 |
1 |
4 |
2 |
3 |
x=
3 |
8 |
看了 35×12+350÷7054...的网友还看了以下:
直接写出得数.680+320=287+199=15×6=64+1.36=3.5+6.5=10-0. 2020-04-07 …
功()无()成语7181-×7=2×1-=-×0=1×3-=2147343-×-=547/21*7 2020-04-07 …
7.2×5.4-3.6×0.8简便运算,脱式 2020-05-14 …
1、用简直便算法计算下面各题。2/9-7/16×2/9。2/5×4×3/4。5/7×16×211、 2020-06-11 …
1.-1/3+15.5+(-2/3)2.-11.5+4.53.1/7-2/54.4.7-3.4-( 2020-07-19 …
设非空集合A{1,2,3,4,5,6,7},且当a∈A时必有8-a∈A,这样的A共有(15)个.{ 2020-08-01 …
(1)10y+7=22y-5-3y(2)3.5x-5=0.5x+10-2x(3)7x-2(4-x)= 2020-10-31 …
直接写出得数.0.6×0.8=2.4×3=3.9÷0.3=5.6÷8=0.63÷0.7=0.45÷3 2020-11-19 …
设非空集合A{1,2,3,4,5,6,7},且当a∈A时必有8-a∈A,这样的A共有(15)个.{4 2020-12-07 …
计算.4÷8/3-1/2=1/5+2/7÷5/7=8÷2/3+4=25÷(1-1/6)=18÷(1+ 2020-12-26 …