А) 6 1/6-(х+0,375)=3 7/24 б)8 1/4-(х-3 5/9)=2 7/12 - вопрос №6202878616037537248143592712 от TaNyAmAkSiMeNkO 28.08.2020 18:39

Question

Математика: А) 6 1/6-(х+0,375)=3 7/24 б)8 1/4-(х-3 5/9)=2 7/12

TaNyAmAkSiMeNkO · Answer

А) 6 1/6-(х+0,375)=3 7/24
37/6-х-375/1000-79/24=0
37/6-3/8-79/24=х
148/24-9/24-79/24=х
78/24=х
13/4=х
х= 3 1/4
б) 8 1/4-(х-3 5/9)=2 7/12
33/4-х+32/9-31/12=0
33/4+32/9-31/12= х
297/36+128/36-93/36=х
352/36=х
х= 176/18=88/9=9 7/9