Question

Inlocuieste casetele cu numere pentru a obtine propozitii adevarate
(2+8)x3=2x3+#=#+#=#
2x7+2x5=2x(#+#)=2x#+2x#=#+#=#
3x9+5x9=#x(3+#)=9x#+#x#=#+#=#
(6+4)x5=#x5+4x#=#+#=#

Answer 1

(2+8)*3= 2*3+ 8*3= 6+24=30
2*7+2*5=2*(7+5)=2*5+2*7=10+14=24
3*9+5*9=9*(3+5)=9*5+9*3=45+27=72
(6+4)*5=6*5+4*5=30+20=50