120
180+180
360
300-90
210
90x5
25
900÷2
450
6x5-5
14
50+70
70
200-8070+14
0
40x3300+150
360÷317+8
500-14060x6
500-50
3x7720÷232-7
100-309+535x2
18-428÷27x2
30+4075÷3210÷3
5x55
x8+80
60x3+18
80x3-3020
0x2+50
6x5-55x3-19x9-11