早教吧作业答案频道 -->其他-->
计算:(1)24×6(2)2×63−1(3)27x−12x+45x−20x(4)(212−313)×6(5)(312−43+48)÷23.
题目详情
计算:
(1)
×
(2)
−1
(3)
−
+
−
(4)(2
−3
)×
(5)(3
−4
+
)÷2
.
(1)
24 |
6 |
(2)
| ||||
|
(3)
27x |
12x |
45x |
20x |
(4)(2
12 |
|
6 |
(5)(3
12 |
3 |
48 |
3 |
▼优质解答
答案和解析
(1)原式=2
×
=12;
(2)原式=
-1
=2-1
=1;
(3)原式=3
-2
+3
-2
=
+
;
(4)原式=(4
-
)×
=3
×
×
=9
;
(5)原式=(6
-4
+4
)÷2
=6
÷2
=3.
6 |
6 |
=12;
(2)原式=
2
| ||
|
=2-1
=1;
(3)原式=3
3x |
3x |
5x |
5x |
=
3x |
5x |
(4)原式=(4
3 |
3 |
6 |
=3
3 |
3 |
2 |
=9
2 |
(5)原式=(6
3 |
3 |
3 |
3 |
=6
3 |
3 |
=3.
看了 计算:(1)24×6(2)2...的网友还看了以下:
下列解方程变形过程正确的是 ( ) A由x+3=3x-2得x+3x=3-2 B由3/2x=4得x= 2020-05-16 …
已知x^2+2x-2=0,求(1)x^3+x^2-4x+4(2)x^4+x^3-3x^2+4x-3 2020-05-17 …
化简[x^3(y^2-z^2)+y^3(z^2-x^2)+z^3(x^2-y^2)]/[x^3(y 2020-06-03 …
把下列各式分解因式:(x+y)^2-(x+y)^3要写过程哦1:(x+y)^2-(x+y)^3=2 2020-06-27 …
解方程,明早就要要,5(x-1)=12-(1-x)=-211x+1=5(2x+1)4x-3(20- 2020-07-19 …
初一整式计算题x(x+2)(x-5)-x(x-3)(x-2)(a+2)(a-2)(a^2+4)(a 2020-07-30 …
请阅读下面的解题过程:已知x^2+x-1=0,求x^3+2x^2+3的值.x^3+2x^2+3=x^ 2020-10-31 …
已知x的2次方+x-1=0,求x的3次方+2x的2次方+3的值x^3+2x^2+3=x^3+x^2- 2020-11-01 …
(1)10^7除以(10^3除以10^2)(2)(x-y)^3*(x-y)^2*(y-x)(3)4* 2020-11-01 …
数学题题题题题题题i题题题(x^3+xy^2+1)/(x^3+xy^2-x^2y-y^3)×(x^2 2020-11-20 …