Question

5. Calculaţi: 24 a) ² + 1,2 = b) 1²-(-²) = 15. c) - d) 10 25 35 || 7 21 5 21 . (-19,63) + 5 21 (-1,37)
va rog din suflet urgent!!!!!!!!!!!!​

Answer 1

Răspuns:

a) 24/5+12/10=48/10+12/10=60/10=6

b) 5/4×(-2/15)=1/2×(-1/3)=-1/6

c) -10/7×21/25=-2×3/5=-6/5

d) 5/21×(-1963/100)+5/21×(-137/100)=5/21(-1963/100-137/100)=

5/21×(-2100/100)=5/21×(-21)=-5