yn20010828,
设甲是X,则乙是X+2+2,丙是(X+2)÷2,丁是2×(X+2)
X+X+2+2+(X+2)÷2+2×(X+2)=360
2X+4+0.5X+1+2X+4=360
4.5X=360-9
4.5X=351
X=351÷4.5
X=78
甲是:78
乙是:78+2+2=82
丙是:(78+2)÷2=40
丁是:2×(78+2)=160
yn20010828,
设甲是X,则乙是X+2+2,丙是(X+2)÷2,丁是2×(X+2)
X+X+2+2+(X+2)÷2+2×(X+2)=360
2X+4+0.5X+1+2X+4=360
4.5X=360-9
4.5X=351
X=351÷4.5
X=78
甲是:78
乙是:78+2+2=82
丙是:(78+2)÷2=40
丁是:2×(78+2)=160