x加8乘8乘x等于6.5 x等于几跪求,kkkkkkkkkkkkkkkkkkkkkkkkk
问题描述:
x加8乘8乘x等于6.5 x等于几
跪求,kkkkkkkkkkkkkkkkkkkkkkkkk
答
楼主 x=0.1
答
x+8*8*x=6.5
x+64x=6.5
65x=6.5
x=0.1
答
x+8×8×x=6.5
x+64x=6.5
65x=6.5
x=6.5÷65
x=0.1