How much is it? 2:1 + 5-7?

3
2
1
0
2:1=2; 2+5=7; 7-7=0
Ts
0
Correct this question
4
Very interesting!
reach: rather globalmathematics
Mathematics quiz
  You will play as

Answers by country

3
2
1
0
answers
flagPoland
4%
3%
5%
84%
3446
flagIndia
15%
0%
15%
69%
13
flagthe United Kingdom
0%
15%
30%
53%
13
flagthe United States
10%
10%
40%
40%
10
flagAustralia
9%
36%
54%
0%
11