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:أضف العدد النسبي الصحيح المناسب
20 - [...] = -8
-15 - [...] = -18
[...] - 100 = -50
-10 - [...] = 5
[...] - 30 = 50
42 - [...] = 35
[...] - (-90) = -53
-70 - [...] = 50
[...] - (-40) = 270
[...] - 80 = 20
إنتهى الإختبار.