七年级下第一章整式的乘除计算题练习汇编
一、计算题
(1) ??1?2012?1?????3.14??????3?0?1
(2)(﹣1)2015+()﹣3﹣(π﹣3.1)0
(3)(﹣2x2y)2?3xy÷(﹣6x2y)
(4) .
(5)(?2xy3z2)2
(6)a5?(?a)2?a3
(7)(2x?3y)(3y?2x)?(x?3y)(x?3y)
(8)(?24x3y2?8x2y3?4x2y2)?(?2xy)2
11(9)(?2003)0?2??[(?)2?23] 23
(10)(x?y?5)(x?y?5)
(11)x3?x5-(2x4)2+x10÷x2;
11(12)1()-1+(2×(-2)3-(π-3)0
32
(13)(4x3y-6x2y2+2xy)÷(2xy)
(14)[82009×(-0.125)2010-2-3]×(π-3.14)0 15,(?0.25)11?(?4)12;16.1122-113×111.
?1??1?17, ?3?2?(?2)0??????18,?2m2(am2?b2m?3c); ?10??5?
19, (27a3?15a2?6a)?(?3a);20,(2m?1)(3m?2);
21(—5mn—2n)(2n—5mn) 22,(x?y)(x?y)(x2?y2);
23,(?a2)3?(?a3)2?a2a424, 2x3y???2xy???2x3y?2x2 ?1?2??2????3
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