Rozwiąż równanie :
x/3 + x/4 = 5/6
Znak "/" wskazuje kreske ułamkową.
x/3 + x/4 = 5/6 /*3
x+3x/4=5/2 /*4
4x+3x=10
7x=10 /7
x=10/7=1+3/7
x+x/4=5/6*3
2x=5/6*3*4
2x=9
x=4.5
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x/3 + x/4 = 5/6 /*3
x+3x/4=5/2 /*4
4x+3x=10
7x=10 /7
x=10/7=1+3/7
x+x/4=5/6*3
2x=5/6*3*4
2x=9
x=4.5
* mnożenie