A.180m,220m B.180m,200m C.150m,220m D.150m,200m
A.最長(zhǎng)邊 B.最短邊 C.兩個(gè)任意邊 D.兩個(gè)長(zhǎng)邊
A.應(yīng) B.宜 C.可 D.可不