0.3^-1+(-1/3)^-2+4^0.5-3^-1+5.5^0=?
0.3^-1+(-1/3)^-2+4^0.5-3^-1+5.5^0=?
数学题(加括号)(1)0.3 0.3 0.3 0.3 0.3=0(2)0.3 0.3 0.3 0.3 0.3=1(3)0
1-0.5x/0.3-2/3x=0.3x/0.2x+1
解方乘(1-0.5x)/0.3-( 2x-1)/3=0.3x/0.02
2x+1/6-4x-1/8=1 x-1/0.5-x+2/0.3=2 3/4[3/4(12x+1/4)-8]=3/2x+1
(1)1/3[1/2x-1/4(4/3x-2/3)]=1-1/3x (2)2x-0.5x+2/0.03=x/6-0.3(
解方程组:(1)0.3x-0.5y=-0.9且2.1x+y=7.2 (2)0.2x+0.5y=0且5(x+4-3(y+1
(3x-1)/0.5=(4-x)/0.3+(3x+5)/1.5 x得多少?
(1)6分之x-2-1=4分之x-4 (2)0.3分之x-1-0.5分之x+2=1.2 (3)0.7(3x-1)-4=1
解方程 15分之3X-2减3分之2X-5加5=0 0.5分之3X+1=0.3分之4-X加1.5分之3X+5
4/3x-0.4=2/1*x+0.3
求未知数x.1/2x-0.5*3=2 2/3:x=1/2:3/8 3/4x-(1-80%)x=1.05 0.3*6-3x