1x2x3x4x5x6x7x8x9x10.x20=20!
=24329020081766 40000
1x2x3x4x5x6x7x8x9x10.x20=?
1个回答
相关问题
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1)2x+8=16 (2)x/5=10 (3)x+7x=8 (4)9x-3x=6 (5)6x-8=4 (6)5x+x=9
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(x-1)(x^10+x^9+x^8+X^7+x^6+x^5+x^4+x^3+x^2+x+1)=?
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1/1x2x3x4+1/2x3x4x5+1/3x4x5x6+1/4x5x6x7+1/5x6x7x8+1/6x7x8x9+
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（1）5+2x=1 (2)8-x=3x+2 (3)10x-3=9 (4)6x-7=4x-5 (5)1/2x-6=3/4x
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1+x+x^2+x^3+x^4+x^5+x^6+x^7+x^8+x^9+x^10+x^11=17.7
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1x2x3x4x5x6x7x8x9x10等于多少?
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4x15/2= 12/5x8= 3/1x4/1= 9/8x10= 6x12/11= 9/2x5/3= 14/6x9/7=
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①27x-4x=34.5②3x2.8=4.3③12x-24=6④5.8+2x=20五6.9x-4.1=9.7⑥3.6x+
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解一元一次方程（1）0-9x=8-10 （2）3x-20+6x-2=8x-10+2x （3）6x-3/4=5x+9/4
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9-3x-4x=4 27+5x-7x=3 7x-9x+26=10 10+x=4+2x 26.6-3x=29.9-6x 1