1、90 5 32
68 0 500
30 32 243
25 0 60
2、70 70 60
80 50 90
90 30 40
I'll connect
60: 123 ? 2 479 ? 8 304 ? five
70:347 ? 5 632 ? nine
solve problems
1、 132 ? 6 = 22 (person) A: It takes 22 bags.
2、 126 ? 4 = 3 1 (between)? We need 32 rooms.
3. Mom's age: 6? 5+2 = 32 years
32 ? (6+2)= 4 (times) A: My mother is four times as old as Xiaoming.