a) 45 + 15 :5 -18:3 106 - 5× 4 -4× 9
=45+3-6. 106 -20-36
=42 = S. =50 = E
b) 100: 10 : 10 × 1
= 10:10
1 =V
9×7-(25 +7×3)
=63 - 46
=17=E
C) (14+67) : 9 + 21+ 3×7
= 81:9 +21+21
=8 + 42
= 50=E
100-(63:7+56:8):4
=100-16:4
=100-4
=96=I
Veseli = raspuns
SPER ca te-am ajutat !!