oblicz;
-4x(-13)-(-5)x17=
16x(-9)-12x7=
5x(-9)-(-4)x(-10)-(-2)x3=
-16x(-4)-8x(-7)-(-6)x11=
p.s. x to znaczy razy czyli mnożenie
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-4x(-13)-(-5)x17= 52-(-22)= 74
16x(-9)-12x7=-144-84= 60
5x(-9)-(-4)x(-10)-(-2)x3=-45+40-(-6)= 1
-16x(-4)-8x(-7)-(-6)x11=64-(-56)-(-66)=186