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

0

80x3-3020

0x2+50

6x5-55x3-19x9-11