October 2018 1 17 Report

Liczby dodatnie i ujemne
1. [11 x (-5) - (-3) *3] + [(-4) x 7 - (-3 x 6)]=
2. - 32 : 4 + (-56 : (-7) - *4=
3. -[-9 x 6- (-48) : (-6) - (-15)] x (-2)=
4. -90 : 5 i [*6 - 8 x (-7)] + (-4) x 5=
5. -144 : (-12) - (-108) : (-3) + (-5) x 7=
6. [-6 x (-4) - (-9) x *4 +*7 x (-2)] - *5=
7. [-21 x (-4) - (15) x (-8)] x [-2 + 3 (-7)]=
8. *(-5) - *(-9) + (-8) x 7=
9. 14 : (-2) + 81: (-9) - 72 : (-8) + (-23)=

1. *3= do potęgi drugiej
2.*4= do potęgi drugiej
4. *6= do potęgi drugiej
6. *4= do potęgi drugiej, *7=do potęggi drugiej, *5= do potęgi trzeciej
8. *(-5)= do potęgi trzeciej, *9= do potęgi drugiej

proszę o pomoc




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