(1.6m*1m)*2+(1.3m*1m)*2+1.6m*1.3m=多少面積?

(1.6m*1m)*2+(1.3m*1m)*2+1.6m*1.3m=多少面積?

(1.6m*1m)*2+(1.3m*1m)*2+1.6m*1.3m=6.33