1. Calculează folosind ordinea operațiilor: a) 1022+24:8 +22 x 66 -12:3 x 10 = b) 53 x 10 - (32:4+ 7 x 8):8 x 5 =

a)1022+3+1452-4×10=
1025+1452-40=
2477-40=2437
b)530-(8+56)÷8×5
530-64÷8×5=
530-8×5=
530-40=490