A)1200+250:50-850
=1200+5-850
=1205-850
=355
B)230:10x2+675:15-45:9=
=23x2+45-5
=46+45-5
=91-5
=86
C)95-450:90x2
=95-5x2
=95-10
=85
D)362-225x4:6x1+92:4x4
=362-900:6x1+23x4
=362-150x1+23x4
=362-150+92
=213+92
=305
E)8x15-640:20+12
=120-32+12
=88+12
=100
F)700:100x36-23x21:7-170
=7x36-483:7-170
=252-68-170
=184-170
=14
Sper ca te am ajutat!!