31/6-(x+1 1/12)=1/4 6 5/27-(x-1 2/9)=3 20/81 3 5/36-(1 - вопрос №6203931316111214652712932081353614911718 от marinabelousov2 12.08.2021 20:50

Question

Математика: 31/6-(x+1 1/12)=1/4 6 5/27-(x-1 2/9)=3 20/81 3 5/36-(1 4/9-x)=1 17/18 !

marinabelousov2 · Answer

1)31/6-х-11/12=1/42×31-11/12-х=1/462-11/12-х=1/451/12-х=1/417/4-х=1/4-х=1-17/4-х=-16/4-х=-4х=42)65/27-(х-4/3)=320/8165/2-х+4/3=320/8165+9×4/27-х=320/8165+36/27-х=320/81101/27-х=320/81-х=320/81-101/27-х=320-3×101/81-х=17/81х=-17/813)35/36-14/9-х=13/2-14/9-х=13/2-35/36-14/9-х=18×13-35/3614/9-х=199/36-14/199/36=9-х-14/199/36=9-х-14×36/199=9-х-504/199=9-хх=9+504/199х=199×9+504/199х=1791+504/199х=2295/199...