200 x 10-300+250-1000+50-275+25-725+15-40
9+123+7-131
20+32+41+7
30+34 x 2+21+2/2
14+123-15
73+23-45+12-4
20 x 3+1-2+3-4
8
58
100
120
59
122
0
