September 2018 2 23 Report

Dodawanie liczb całkowitych! Proszę o pomoc!

Oblicz;

a) (-2) +(-7) =

(-4) + (-19)=

(-6) + (-10)=

b) (-14) + (=3) =

(+8) + (-16)=

(-20) + (+15)=

c) (-5) + (+11)=

(+18) + (+20)=

(+9) + (-6)=

d) (-23) + (+8)=

(+17)+(-12)=

(-21) + (-23)=

I prosiłabym jeszcze o wytłumaczenie jak się to oblicza! z góry bardzo dziękuje! dam naj ;-)


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