1. 265 + 135 / 5 = 80
2 420 -48) :6 = 62
3. 230 +470 х 3 = 2100
4. 1800 / ( 6 х 3 ) = 1800/ 18 = 100
5 6400 / (100 х 8 ) = 6400 / 800 = 8
6. 20 х 8 х 7 х 5 = 5600
7. 9 х 50 х 4 х 2 = 3600
1. 265 + 135 / 5 = 80
2 420 -48) :6 = 62
3. 230 +470 х 3 = 2100
4. 1800 / ( 6 х 3 ) = 1800/ 18 = 100
5 6400 / (100 х 8 ) = 6400 / 800 = 8
6. 20 х 8 х 7 х 5 = 5600
7. 9 х 50 х 4 х 2 = 3600