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Теңдеуді шешіңдер:
1) -13,7 – (-x) = -4,9;
2) 6,1 – (-y) = -5,2;
3) -2,9 + (-x) = -3,8;
Үлгі: — 9 – (-x) = -4,
-9 + х = -4,
= — 4 — (-9),
— 4 + 9,
4) x+(-0,35) = 2,3;
5) -23,5 + (-y) = -4,6;
6) y + (-48,3) = -78,5.
х = 5.​
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