October 2018 1 13 Report

Proszę o bardzo dokładne rozpisanie.

Zad.1

a)5-7-13+15-22=

b)(-21)+16-3-12+24=

c)13,5-24+2,5-5,3+3,2=

d)3,5-2-12,5+4-8,5=

e)(-3,6)+ 2 3/7 - 1,4 -(-11/7)=

f)-5,74+4 2/3 - 2 1/4 - (-3 1/3)=

Zad. 2

Ile wynosi x?

b)(-2 1/2) * x=3

c) x / (-2 1/5)=5/11

Bardzo proszę o pomoc.:)


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