[主观题]解下列方程。X-5/6=1X+3/7=3/4X-5/12=3/8
[试题]解下列方程(1)x/4-1/2=3/4(2)(7x-5)=3/8(3)(2x-1)/6=(5x+1)/8(4)(x/2)-7=(9x-2)/6(5)x/5-(3-2x)/2=1(6)(2x+1)/3-(5x-1)/6=1(7)(2x+14)=4-2x(8)3(200+x)-2(300-x)=300×(9/25)
[试题]解下列方程:(1)5x/12-x/4=1/3(2)2/3-8x=3-x/2(3)0.5x-0.7=6.5-1.3x(4)(3x-6)/6=2x/5-3(5)3(x-7)+5(x-4)=15(6)4x-3(20-x)=-4(7)(y-1)/2=2-[(y+2)/5](8)(1-2x)/3=2(3x+1)/7
[主观题]计算。4/3-(2/5+3/10)5/7+1/4-9/143/4+3/6-5/8
[单选题]X1要求是非负整数,它的来源行是X1-5/3X4+7/3X5=8/3,高莫雷方程是()A .-1/3X4-1/3X5<=2/3B .X4-X5<=-2C .X4+X5+S=2D .-1/3X4-1/3X5+S=-2/3
[主观题]a=[1,2,4,2,4,5,7,10,5,5,7,8,9,0,3],编程用sort进行排序,然后从最后一个元素开始判断?
[试题]0,1,(),2,3,4,4,5A.0;B.4;C.2;D.3
[单选题]0,1,(),2,3,4,4,5A . 0B . 4C . 2D . 3
[试题]化简下列各式:(1)5x4+3x2y-10-3x2+x-1;(2)p²+3pq+6-8p²+pq ;(3)(7y-3z)-(8y-5z);(4)-(a5-6b)-(-7+3b)(5)2(2a²+9b)+3(-5a²-4b);(6)-3(2x²-xy)+4(x²+xy-6).
[单选题]:-1,0,-3,-2,-5,-4,()。A.-7 B.-9 C.-11 D.-13