(1)先算8+8=16,再算30+16=46,所以38+8=46
(2)先算38+2=40,再算40+6=46,所以38+8=46
故答案为:46;
(1)8+8=16,30+16=46,38+8=46;
(2)38+2=40,40+6=46,38+8=46.
(1)先算8+8=16,再算30+16=46,所以38+8=46
(2)先算38+2=40,再算40+6=46,所以38+8=46
故答案为:46;
(1)8+8=16,30+16=46,38+8=46;
(2)38+2=40,40+6=46,38+8=46.