Question

Zad 4 /147 Znajdź liczbę x;

a) x+3,428= 12,032

b)x-5,72=8,69

c)x -2,306=18,947

d)8,481+x=13,1

Z góry dzięki + daje naj !

Answer 1

a)x+3,428=12,032

x=12,032-3,428

x=8,604

 

b)x-5,72=8,69

x=8,69+5,72

x=14,41

 

c)x-2,306=18,947

x=18,947+2,306

x=21,253

 

d)8,481+x=13,1

x=13,1-8,481

x=4,619

Answer 2

A) = 12,032-3,428=8,604 spr. 8,604+3,428=12,033

b) = 8,69+5,72=14,41 spr. 14,41-5,72=8,69

c) =18,947+2,306=21,253 spr. 21,253-2,306=18,947

d) =13,1-8,41=4,69 spr. 8,481+4,69=13,1