maths

因為A 和 B 是兩連續數，而且B小於A
所以設B=x,then A=x+1
條式:
x/2=(x+1)1/4+1
x/2=(x+1)/4+1
x=(x+1)/2+2
x-2=(x+1)/2
2(x-2)=x+1
2x-4=x+1
2x-x=1+4
x=5
因此B是5,A是5+1，即6

let B be x, then A is x+1

x/2 = (x+1)/4 + 1

(x/2) x 4= [(x+1)/4 + 1] x 4

2x = (x+1)+4

x=5

so B is 5, and A is 6