35÷5=7 86÷2=43 93÷3=31 58÷2=29
94+66=160 2400+700=3100 7800-6400=1400 900-435=465
19×7=133 100×6=600 380×4=1520 506×7=3542
5
11 -
2
11 =
3
11
1
12 -
1
12 =0
1
7 +
1
7 =
2
7
3
13 +
10
13 =1. 故答案为:7,43,31,29,160,3100,1400,465,133,600,1520,3542,
3
11 ,0,
2
7 ,1.