wpisz odpowiednie liczby zadanie 1 -17+ = -20 +15= -25 18- =20 -12- -100 +(-27)=1 -14-(- )=-1 zadanie 2 (-7)*1 cztery piate -(-48,6)= dzieki :)

zadanie 1 -17+ = -20 +15= -25 18- =20 -12- -100 +(-27)=1 -14-(- )=-1 -17+(-3)=-20 (-40)+15= -25 18-(-2)=20 -12-(-112)=100 28+(-27)=1 -14-(-13)=-1 wybacz, ale drugie nie za bardzo rozumiem. ;)

zadanie 1 -17+(-3) = -20 (-40)+15= -25 18-(-2) =20 -12-(-112)=100 28+(-27)=1 -14-(-15 )=-1 zadanie 2 (-7)*1 cztery piate -(-48,6)=-63/5+486/10=-126/10+486/10=360/10=36

zad1 -17+x = -20 x = -20+17 x = -3 x+15= -25 x = -25-15 x = -43 18-x =20 18-20 = x x = -2 -12-x = 100 -12-100=x x= -112 x+(-27)=1 x=1+27 x=28 -14-(-x )=-1 x=14-1 x=13 zad2 (-7)*1 cztery piate -(-48,6)= -7 * 0,8 + 48,6 = 43