问题
解答题
化简: (1)
(4)
|
答案
(1)原式=
=200
×102
=102
;2
(2)原式=
=72 2
=6;36
(3)原式=
=3|b|9ab×3bc
;3ac
(4)原式=
=5ab 10abc
;2c 2c
(5)原式=-
=-
•2a2b2 c5 2c3 ab
=-4ab c2 2 c
;ab
(6)原式=
=ab2 ab2
.a |ab|
化简: (1)
(4)
|
(1)原式=
=200
×102
=102
;2
(2)原式=
=72 2
=6;36
(3)原式=
=3|b|9ab×3bc
;3ac
(4)原式=
=5ab 10abc
;2c 2c
(5)原式=-
=-
•2a2b2 c5 2c3 ab
=-4ab c2 2 c
;ab
(6)原式=
=ab2 ab2
.a |ab|