+10
3 года назад
Математика
5 - 9 классы
1) x - 1/9(+1/9) = 4/9(+1/9)
x = 5/9
2) 48/37(- 48/37)- a/37 = 37/37 (-48/37)
-a/37 = - 11/37
a = 11
3) x - 107/420(+107/420) = 103/420(+107/420)
x = 210/420
x = 21/42
x = 1/2 или 0.5
1) x - 1/9(+1/9) = 4/9(+1/9)
x = 5/9
2) 48/37(- 48/37)- a/37 = 37/37 (-48/37)
-a/37 = - 11/37
a = 11
3) x - 107/420(+107/420) = 103/420(+107/420)
x = 210/420
x = 21/42
x = 1/2 или 0.5