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> 计算:①|3-2|+(-12)0+23-48;②(3+22)(3-22)-(2-1)2.-数学
计算:①|3-2|+(-12)0+23-48;②(3+22)(3-22)-(2-1)2.-数学
题目简介
计算:①|3-2|+(-12)0+23-48;②(3+22)(3-22)-(2-1)2.-数学
题目详情
计算:
①
|
3
-2|+(-
1
2
)
0
+
2
3
-
48
;
②
(3+2
2
)(3-2
2
)-(
2
-1
)
2
.
题型:解答题
难度:中档
来源:不详
答案
(1)原式=2-
3
+1+
2
3
3
-4
3
=3-
13
3
3
;
(2)原式=9-8-(3-2
2
)
=1-3+2
2
=2
2
-2.
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题目简介
计算:①|3-2|+(-12)0+23-48;②(3+22)(3-22)-(2-1)2.-数学
题目详情
①|
②(3+2
答案
=3-
(2)原式=9-8-(3-2
=1-3+2
=2