1x2x3x4x5x6x7x8x9x10的个位数是几?
1个回答
1x2x3x4x5x6x7x8x9x10=3628800,个位数是0.
(以后若再碰到此类似问题,只要这些相乘的数都是整数,且有x10,那它的结果的个位数就是0.)
相关问题
1)2x+8=16 (2)x/5=10 (3)x+7x=8 (4)9x-3x=6 (5)6x-8=4 (6)5x+x=9
1/1x2x3x4+1/2x3x4x5+1/3x4x5x6+1/4x5x6x7+1/5x6x7x8+1/6x7x8x9+
(x-1)(x^10+x^9+x^8+X^7+x^6+x^5+x^4+x^3+x^2+x+1)=?
(1)5+2x=1 (2)8-x=3x+2 (3)10x-3=9 (4)6x-7=4x-5 (5)1/2x-6=3/4x
1x2x3x4x5x6x7x8x9x10.x20=?
1+x+x^2+x^3+x^4+x^5+x^6+x^7+x^8+x^9+x^10+x^11=17.7
4x15/2= 12/5x8= 3/1x4/1= 9/8x10= 6x12/11= 9/2x5/3= 14/6x9/7=
1x2x3x4x5x6x7x8x9x10等于多少?
9-3x-4x=4 27+5x-7x=3 7x-9x+26=10 10+x=4+2x 26.6-3x=29.9-6x 1
1x2x3x4x5x6x7x8x9x10的简便运算