September 2018 1 96 Report

Matematyka 2 Gimnazjum z Plusem Zbiór Zadań

Zadanie 8 strona 42
Rozwiąż układy równań.
a) {x+y=0
{x-y=10
b) {8x-6y=10
{7x+y=5
c) {12p-7r=-16
{p-3r=-69
d) {11k+17l=45
{13k+l=15
e) {8a+9b=36
{a-16b=210
f) {6a-21b=228
{a-12b=21

Z góry bardzo dziękuje . :)


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