Question

calculati in doua moduri a)3*(5-7) b)-3*(-4+9) c)(-5)*6+(-5)*10 d)(-6)*[8-(-3)]
Va rog ajutor!!!

Answer 1

a) 1) 3×(-2)=-6
2) 15-21=-6
b) 1) -3 ×5 =-15
2) 12+(-27)=-15
c) 1)-30+(-50)=-80
2) (-5)×(10+16)=-80
d)1) (-6)×11=-66
2) -48-18=-66