(0.8,0.2)=8 (3,5)=1.2 计算(x,0.5)=6 找规律 求x的值
3个回答
(a,b)=a/bX2
所以(x,0.5)=x/0.5X2=6
x=1.5
相关问题
先找出规律,再求x 的值.(0.8,0.2),(3,5)=1.6,(1/2,1/3)=5/2,计算:(x,1/5)=4
先找出规律,再求x的值 (0.8,0.2)=5,(3,5)=1.6,(1/2,1/3)=5/2,计算:(x1/5)=4
3x1.8-0.6X=5.1 0.5(3+X)=6.2 X÷0.5-10+2=0
(5x-0.3)/0.4=(3x-1.2)/0.6-(1.8-8x)/1.2
找规律..0.6 1.2 1.5 3 0.9 1.8 ( )( )1.5 3.3 2.1 2.9
找规律填数0.2,0.3,0.5,0.8,1.2(),2.3
计算 -1^6-(0.5-2/3)÷1/3 X [-2-(-3)^3]-[1/8-0.5^2]
x:3=7/8:1/49:x=4.5/0.81/6:2/5=1/2:2x3/8:x=5%:0.6
5(2-x)=-(2x-7) 0.5x-2=0.8(2x-1.5) 2(x+0.5)-3(x-0.4)=5.6