若ax3my12÷3x3y2n=4x6y8,则a=______,m=______,n=______.
题型:填空题难度:一般来源:不详
若ax3my12÷3x3y2n=4x6y8,则a=______,m=______,n=______. |
答案
∵ax3my12÷3x3y2n=(a÷3)x3m-3y12-2n=4x6y8, ∴a÷3=4,3m-3=6,12-2n=8, 解得:a=12,m=3,n=2. 故应填:a=12,m=3,n=2. |
举一反三
(12a2m+1bm+3-20am+1b2m+4+4am+1bm+2)÷4ambm+1=______. |
已知4a3bm÷36anb2=b2,则m、n的值为( )A.m=4,n=3 | B.m=4,n=1 | C.m=1,n=3 | D.m=2,n=3 |
|
计算:(8x5-6x3-4x2)÷(-2x)=( )A.-4x4-3x2+2x | B.-4x4+3x2+2x | C.4x4+3x2-2x | D.4x4-3x2-2x |
|
计算:(a2b-ab2)÷(ab)=______. |
最新试题
热门考点