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> 下列四个算式:(﹣a)3(﹣a2)2=﹣a7;(﹣a3)2=﹣a6;(﹣a3)3÷a4=﹣a2;(﹣a)6÷(﹣a)3=﹣a3中,正确的有[]A.0个B.1个C.2个D.3个-七年级数学
下列四个算式:(﹣a)3(﹣a2)2=﹣a7;(﹣a3)2=﹣a6;(﹣a3)3÷a4=﹣a2;(﹣a)6÷(﹣a)3=﹣a3中,正确的有[]A.0个B.1个C.2个D.3个-七年级数学
题目简介
下列四个算式:(﹣a)3(﹣a2)2=﹣a7;(﹣a3)2=﹣a6;(﹣a3)3÷a4=﹣a2;(﹣a)6÷(﹣a)3=﹣a3中,正确的有[]A.0个B.1个C.2个D.3个-七年级数学
题目详情
下列四个算式:(﹣a)
3
(﹣a
2
)
2
=﹣a
7
;(﹣a
3
)
2
=﹣a
6
;(﹣a
3
)
3
÷a
4
=﹣a
2
;(﹣a)
6
÷(﹣a)
3
=﹣a
3
中,正确的有
[ ]
A.0个
B.1个
C.2个
D.3个
题型:单选题
难度:偏易
来源:江苏省期末题
答案
C
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题目简介
下列四个算式:(﹣a)3(﹣a2)2=﹣a7;(﹣a3)2=﹣a6;(﹣a3)3÷a4=﹣a2;(﹣a)6÷(﹣a)3=﹣a3中,正确的有[]A.0个B.1个C.2个D.3个-七年级数学
题目详情
B.1个
C.2个
D.3个
答案