Ответ:
1) 1-0.5‹4-x 1) 9-2.1x›6-1.3x
-0.5x+x‹4-1 -2.1x+1.3x›6-9
0.5x‹3 -0.8x›-3
x›3:0.5 x‹-3:(-0.8)
x›6 x‹3.75
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Answers & Comments
Ответ:
1) 1-0.5‹4-x 1) 9-2.1x›6-1.3x
-0.5x+x‹4-1 -2.1x+1.3x›6-9
0.5x‹3 -0.8x›-3
x›3:0.5 x‹-3:(-0.8)
x›6 x‹3.75