Oblicz (zadanie 16 strona 41) A) -14x5= -14x5x3= -14x5x3x10= B)-14x(-5)= -14x(-5)x3= -14x(-5)x3x10= C)-14x(-5)x(-10)= -14x(-5)x(-10)x3= Z góry dziekuje 

A) -14x5= -70 -14x5x3= -70*3= -210 -14x5x3x10= -70*3*10= -210*10= -2100 B)-14x(-5)= -(-14*5)= -(-70)=70 -14x(-5)x3= -(-14*5)*3= -(-70)*3= -(-70*3)= -(-210)=210 -14x(-5)x3x10= -(-14*5)*3*10= -(-70)*3*10= -(-70*3)*10= -(-210)*10= -(-210*10)= = -(-2100)=2100 C)-14x(-5)x(-10)= -(-14*5)*(-10)= -(-70)*(-10)= -(-70(-10))= -(-(-70*10))= -(-(-700))= -700 -14x(-5)x(-10)x3= -(-14*5)*(-10)*3= -(-70)(-10)*3= -(-70(-10))*3= -(-(-70*10))*3= = -(-(-700))*3= -700*3= -2100

A -14x5=-60 -14x5x3=-210 -14x5x3x10=2100 B -14x(-5)x3=210 -14x(-5)x3=210 -14x(-5)x3x10=-2100 C -14x(-5)x(-10)x3=-2100