A rectangular box with the dimensions of 2*8*20 that is to be completely wrapped with paper. If a single sheet of paper is to be used without patching, then the dimensions of the paper could be
so...假设纸的两条边分别为x,y,x>20,y>=8+2+2+8=20 B is correct
A rectangular box with the dimensions of 2*8*20 that is to be completely wrapped with paper. If a single sheet of paper is to be used without patching, then the dimensions of the paper could be
so...假设纸的两条边分别为x,y,x>20,y>=8+2+2+8=20 B is correct