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> 计算(1)(12)-2-23×0.125+20120+|-1|(2)(-a2b3c4)(-xa2b)2(3)(-m)2-(m2)2÷m3(4)-2a2(12ab+b2)-5ab(a2-ab)-数学
计算(1)(12)-2-23×0.125+20120+|-1|(2)(-a2b3c4)(-xa2b)2(3)(-m)2-(m2)2÷m3(4)-2a2(12ab+b2)-5ab(a2-ab)-数学
题目简介
计算(1)(12)-2-23×0.125+20120+|-1|(2)(-a2b3c4)(-xa2b)2(3)(-m)2-(m2)2÷m3(4)-2a2(12ab+b2)-5ab(a2-ab)-数学
题目详情
计算
(1)(
1
2
)
-2
-2
3
×0.125+2012
0
+|-1|
(2)(-a
2
b
3
c
4
)(-xa
2
b)
2
(3)(-m)
2
-(m
2
)
2
÷m
3
(4)-2a
2
(12ab+b
2
)-5ab(a
2
-ab)
题型:解答题
难度:中档
来源:不详
答案
(1)原式=4-8×0.125+1+1=4-1+1+1=5;
(2)原式=-a2b3c4•x2a4b2=-x2a6b5c4;
(3)原式=m2•m4÷m3=m3;
(4)原式=-24a3b-2a2b2-5a3b+5a2b2=-29a3b+3a2b2.
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题目简介
计算(1)(12)-2-23×0.125+20120+|-1|(2)(-a2b3c4)(-xa2b)2(3)(-m)2-(m2)2÷m3(4)-2a2(12ab+b2)-5ab(a2-ab)-数学
题目详情
(1)(
(2)(-a2b3c4)(-xa2b)2
(3)(-m)2-(m2)2÷m3
(4)-2a2(12ab+b2)-5ab(a2-ab)
答案
(2)原式=-a2b3c4•x2a4b2=-x2a6b5c4;
(3)原式=m2•m4÷m3=m3;
(4)原式=-24a3b-2a2b2-5a3b+5a2b2=-29a3b+3a2b2.