Question

82. Efectuează:
80: 8 + 5 x 15-49: 7=
54: 9 + 20 x 6 + 72 : 8=
100 - 63: 7 + 52 x 4=
420 + 25 X 8 - 100 : 10=
Va rog ajutati-ma
Dau coroana
Inima & stelute​

Answer 1

Răspuns:

80:8+5×15-49:7=10+75-7=78

54:9+20×6+72:8=6+120+9=135

100-63:7+52×4=100-9+208=299

420+25×8-100:10=420+200-10=610

Coronita pls?