Question

11 Calculează:
#a) 100: 20+100:2
#b) 100 (82+ 3×3) =
#c) 100-2 (15+ 30) -
#d) (100-2) × (30:15)

Answer 1

Răspuns:

a)100:20+100:20=5+5=10

b)100(82+3×3)=100(82+9)=100×91=9100

c)100-2(15+30)=100-2×45=100-90=10

d)(100-2)×(30:15)=98×2=196

Answer 2

a.100:20+100:2= 5+50=55
b. 100(82+9)=100x91=9100
c. 100-2 x 45=100-90=10
d. (100-2) x (30:15)= 98 x 2= 206