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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.
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