Замените выражение равным, не содержащим скобок:
a) -3 + (-8) + (-9);

B) -5+ (-17) + 4-(-3);

Б) -2- (-4) + (-10);

Г) 4+ (-1)-(-2) + (-3) - 8.



*Образец. 5- (+2) + (-3) = 5+ (-2) + (-3) =5 - 2-3*​
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