Ответ:
1. 13/54 2. х=1,2,3,4 x= 17/28
Пошаговое объяснение:
1.
5/18 + 7/27 +2/9=41/54
54/54-41/54=13/54
2
.x/9<22/45
x<9*22/45
х<4,4
3.
1. 89/10 - x = 29/6
-x = 29/6 - 89/10
-x = - (61/15)
x = 61/15
2. 9/14 + x - 3/7 = 23/28
3/14 + x = 23/28
x = 17/28
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Ответ:
1. 13/54 2. х=1,2,3,4 x= 17/28
Пошаговое объяснение:
1.
5/18 + 7/27 +2/9=41/54
54/54-41/54=13/54
2
.x/9<22/45
x<9*22/45
х<4,4
3.
1. 89/10 - x = 29/6
-x = 29/6 - 89/10
-x = - (61/15)
x = 61/15
2. 9/14 + x - 3/7 = 23/28
3/14 + x = 23/28
x = 17/28