Question

Daca ma puteti ajuta la 6,7,8 ​

Answer 1

Răspuns:

6)

a) x=6×9:27=54:27=2

b) y= 3×6:2=18:2=9

c) z= 3×6:0,5=18:0,5=36

d) a=10×1,2:3=12:3=4

e) b= 2,1×4:7=8,4:7=1,2

f) u= 1,8×2,52: 1,12=4,536:1,12=4,05

g) x+3=6×5:2=30:2=15 => x=15-3=12

h) 7×x= 42×45:27= 1890:27=70 => x=70:7=10

7) a=300cm× (6:2)=300cm×3=900cm

8) a×b=4×16=64

a³×b³= (a×b)³= 64³= (2⁶)³= 2¹⁸

Sper ca te-am ajutat!