人教版初二数学上册单项式乘单项式练习题精选40.docx
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人教版初二数学上册单项式乘单项式练习题精选40.docx
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人教版初二数学上册单项式乘单项式练习题精选40
(106)4(a8)7-(yn)9(a2)6•a9
x4•x2z•z7s•s8
(-5)×(-5)7×(-5)7xm•x6m+1x9n•x9n+1
111
(-—)6×(-—)4×(-—)7a2•az8•z
555
(-5)8×(-5)3×(-5)5s•s3b6•b6
111
(-—)×(-—)4×(-—)9y2m•y4m-1y8m•y4m-1
666
(7×109)×(-2×109)(-2a3b4)(-8a2)(4x)3(-4x2y3)
-6x2•8x2-6y2•(-9x3y)(4x)3•9x4
(4a)2•(-3a)32a•4a-7y4•9y4
(2a)2-(3b)2(-5b)3(xy3)2
(-3x4)2(xy)2(-4×102)3(4ab2)3
(102)5(b6)4(ym)7-(b7)9
(103)4(y6)8-(yn)3(a2)3•a7
x8•x9y•y2a9•a2
(-7)7×(-7)3×(-7)9x7n•x7n+1xn•x2n+1
111
(-—)2×(-—)2×(-—)4y2•y3c5•c4
999
(-3)×(-3)5×(-3)7a•a5c•c7
111
(-—)4×(-—)6×(-—)5yn•y6n+1x9n•x9n+1
555
(9×106)×(-3×108)(-4a2b2)(-8a3)(2x)2(2x4y3)
-6x3•9x9y2•(-9xy)(3x)2•8x4
(-4a)2•(-4a)26a•2a25y•9y4
(9a)3-(2b)3(-3b)3(xy2)3
(-6x2)2(xy)3(-3×103)3(3ab4)3
(102)2(y7)2(bn)4-(y6)8
(105)7(x7)5-(am)7(a8)8•a7
x•x4t•t4a•a9
(-3)×(-3)7×(-3)8x6n•x4n-1xn•x6n-1
111
(-—)×(-—)5×(-—)3x5•xa5•a8
555
(-2)×(-2)8×(-2)5y4•y4b2•b2
111
(-—)5×(-—)7×(-—)7y7m•y2m+1x5n•x8n+1
666
(6×108)×(-8×105)(-5ab)(-6a)(3x)3(-2x2y2)
7x2•6x5y3•(-8xy)(3x)2•7x3
(3a)2•(-2a)25a•2a33y•3y3
(3a)3-(5b)3(-5b)2(xy3)3
(-5x2)2(ab)7(-4×103)2(4ab4)2
(109)7(x7)4(ym)9-(b7)6
(105)3(x2)9-(yn)4(a8)3•a3
x2•x7y5•y3t6•t8
(-5)8×(-5)5×(-5)5xn•x4n+1xn•x4n-1
111
(-—)×(-—)7×(-—)5b8•bt5•t2
555
(-7)×(-7)4×(-7)3x6•x2x•x4
111
(-—)7×(-—)6×(-—)5ym•y6m-1yn•y6n+1
333
(2×103)×(-3×103)(-4a3b3)(-9a)(4x)2(-2x2y4)
-7x4•8x24y•(-8xy4)(-3x)3•2x2
(3a)3•(-4a)34a•5a-8y•9y4
(3a)3-(5b)3(-5b)2(xy2)2
(-6x3)3(xy)8(-2×104)3(4ab2)2
(107)5(y4)7(bm)9-(y2)7
(106)9(a7)7-(xn)4(a7)9•a8
x9•x5y•y4y7•y5
(-6)×(-6)8×(-6)2xm•x4m+1x9m•x7m+1
111
(-—)2×(-—)6×(-—)8b2•bb5•b
333
(-7)8×(-7)9×(-7)4y8•y4z•z2
111
(-—)×(-—)2×(-—)9xm•x9m+1x5n•x9n+1
222
(9×106)×(-7×103)(-9ab4)(-8a)(4x)3(-3x3y4)
-5x2•7x3-9y•(-3x3y4)(-4x)2•5x4
(-2a)2•(3a)33a•8a2-5y•9y2
(2a)3-(3b)2(-6b)2(xy3)2
(-2x2)3(xy)8(-3×102)2(3ab3)3
(102)7(a4)6(bn)3-(x9)6
(109)4(y8)4-(bm)8(a5)3•a3
x•x5x•x6y5•y2
(-1)9×(-1)2×(-1)6xm•x6m+1xm•x2m-1
111
(-—)7×(-—)3×(-—)8z4•zs7•s
777
(-5)×(-5)9×(-5)9a•a5s6•s5
111
(-—)9×(-—)6×(-—)3x7m•x9m-1y7n•y7n-1
444
(5×109)×(-5×102)(-ab3)(-5a)(-3x)3(-4x3y4)
-3x•3x2-3y•(-9xy3)(-2x)2•2x3
(4a)2•(2a)39a2•8a47y3•9y2
(7a)2-(6b)3(-6b)3(xy3)3
(-4x3)3(xy)9(-4×102)3(5ab4)2
(107)2(a4)7(am)3-(b8)6
(108)5(x7)5-(bm)6(a6)6•a4
x4•x9x8•x7t•t2
(-2)2×(-2)3×(-2)5x2n•x3n+1xn•x5n+1
111
(-—)5×(-—)4×(-—)4s6•s9c3•c7
666
(-7)7×(-7)8×(-7)5y•y9s3•s8
111
(-—)5×(-—)5×(-—)5xm•x7m-1xn•x4n+1
222
(5×104)×(-2×103)(-2a4b)(-2a)(-3x)3(3x2y4)
2x•3x-7y2•(-7x3y3)(3x)2•6x2
(-2a)2•(-4a)3-4a4•8a35y•2y3
(8a)3-(3b)2(-6b)2(xy2)4
(-3x4)3(ab)8(-2×103)2(3ab3)2
(102)3(b6)2(ym)8-(y2)4
(107)2(x6)7-(xm)5(a2)3•a3
x•x2c•c9b4•b4
(-10)6×(-10)8×(-10)6xm•x2m-1xm•x8m-1
111
(-—)×(-—)4×(-—)3s6•s2c7•c6
999
(-6)4×(-6)8×(-6)7y•y6t•t2
111
(-—)×(-—)2×(-—)4y8m•y6m-1xm•x5m-1
888
(3×106)×(-4×102)(-a2b2)(-6a4)(4x)2(3x3y2)
7x3•9x6y•(-7xy)(-2x)3•5x4
(4a)3•(3a)28a•5a6y•9y
(7a)2-(6b)2(-3b)2(xy3)3
(-6x2)2(ab)5(-2×104)3(2ab3)2
(109)3(y5)6(am)6-(b8)6
(106)9(b2)7-(ym)3(a8)2•a6
x9•x7c3•c7c8•c6
(-1)×(-1)6×(-1)6xm•x2m+1xn•x9n+1
111
(-—)×(-—)3×(-—)7b3•b9b5•b
555
(-9)4×(-9)5×(-9)5y•y9y4•y3
111
(-—)3×(-—)3×(-—)4xm•x5m-1x7m•x8m+1
888
(7×103)×(-5×108)(-3ab)(-9a)(-2x)2(4x3y5)
8x3•5x9y2•(-6x4y3)(-4x)2•4x3
(4a)3•(-4a)22a•6a4-4y2•8y
(6a)3-(6b)3(-5b)2(xy5)4
(-5x4)3(ab)2(-4×103)3(3ab2)2
(109)5(a3)8(xm)8-(y2)3
(104)8(a3)6-(bm)5(a2)2•a3
x•x2z5•z8t3•t7
(-4)7×(-4)4×(-4)7xm•x4m+1x6n•x8n-1
111
(-—)2×(-—)8×(-—)6t3•t2x3•x
888
(-1)9×(-1)5×(-1)4y•y5c6•c2
111
(-—)×(-—)3×(-—)9y4m•y2m+1x2m•x6m-1
333
(5×108)×(-5×104)(-6a3b2)(-7a4)(3x)2(3x3y4)
-4x4•5x43y•(-3x4y2)(4x)2•3x4
(-3a)2•(3a)3-4a•2a-6y•4y
(10a)3-(5b)3(-5b)2(xy4)4
(-6x3)3(ab)3(-4×104)2(2ab2)3
(105)2(x5)8(xm)8-(b9)3
(106)8(b8)4-(ym)6(a7)8•a9
x2•x9x4•x7t•t2
(-10)2×(-10)8×(-10)5xm•x6m-1x9n•x3n-1
111
(-—)2×(-—)2×(-—)7b5•bt7•t
999
(-10)×(-10)7×(-10)9s•s6x•x3
111
(-—)×(-—)2×(-—)9x6n•x9n-1xm•x3m+1
888
(9×102)×(-7×108)(-4ab3)(-9a)(-4x)2(-3x3y4)
7x2•6x-9y4•(-9x2y)(-3x)2•7x4
(4a)2•(2a)2-9a•7a29y•4y
(9a)2-(2b)3(-2b)2(xy4)2
(-5x3)2(ab)2(-2×104)2(3ab3)3
(109)2(a9)5(yn)8-(a6)7
(103)9(y3)3-(xn)9(a9)6•a9
x•x5x2•x7z•z3
(-7)6×(-7)6×(-7)7x4m•x5m+1xm•x5m-1
111
(-—)7×(-—)4×(-—)6y3•yt3•t8
777
(-7)×(-7)9×(-7)8s•s7t•t5
111
(-—)2×(-—)3×(-—)6y2n•y9n+1ym•y4m-1
333
(6×102)×
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