A:13
B:﹣ 13
C:23
D:﹣ 23
2×____=4
5×____=5
⑴Where is the eraser? ____
⑵Where are the crayons? ____
⑶Put your book on your desk. ____
A.OK!
B.It's under your pencil box.
C.They're in my hand.