(11x5)/5
50+70+20
(50 x 30) - 7
(500 ÷ 2) + 150
(150 x 4) - (299 x 2)
(4.000 ÷ 4) + (50 x 2)
12 x 5 x1
170-100-12-3
(200 - 55) x 2
100x10
25 x 5 x 6 x 7 x 0 x 2
(100 + 200) x 3
400
900
60
1.100
290
1.000
11
140
55
1.493
2
