計(jì)算:
(1)(-5+6)(3-5);
(2)(515-245)÷(-5);
(3)(312-213+48)÷23;
(4)12+18+132;
(5)12×(3-1)2+|3-2|+3-(22)-1;
(6)(3-1)2-(3-2)(2+3).
(
-
5
+
6
)
(
3
-
5
)
(
5
1
5
-
2
45
)
÷
(
-
5
)
(
3
12
-
2
1
3
+
48
)
÷
2
3
1
2
+
1
8
+
1
32
1
2
×
(
3
-
1
)
2
+
|
3
-
2
|
+
3
-
(
2
2
)
-
1
(
3
-
1
)
2
-
(
3
-
2
)
(
2
+
3
)
【考點(diǎn)】二次根式的混合運(yùn)算;負(fù)整數(shù)指數(shù)冪.
【答案】(1);
(2)5;
(3);
(4);
(5)4--;
(6)3-2.
-
3
5
+
5
+
3
6
-
30
(2)5;
(3)
14
3
(4)
7
2
8
(5)4-
3
2
(6)3-2
3
【解答】
【點(diǎn)評(píng)】
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發(fā)布:2025/6/9 6:30:1組卷:45引用:2難度:0.6
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