Sagot :
Answer:
ADDITION
20
17
20
15
SUBTRACTION
3
4
3
3
3
MULTIPLICATION
126
11,152
96
7,072
42
DIVISION
2.285714285714285
0.549295774647887
6.2
Step-by-step explanation:
make it brainliest^^✨
- addition
1+3+7+9=20
3+5+7+2=14
5+3+9+2+1=20
3+5+7=15
- subtraction
10-4-3=3
9-3-2=4
17-4-9-1=3
9-2-4=3
17-4-9-1=3
- multiplication
3×6×7=126
328×34=11152
32×3=96
136×52=7072
21×2=42
- division
16÷7=2.28571428571
39÷71=0.54929577464
31÷5=6.2