كتابة المعادلات

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حل المعادلة 2 س – 6 = 4

10

-10

-5

5

حل المعادلة 3م + 4 = -11

7

5

-7

-5

معادلة مجموع ثلاث أعداد صحيحة متتالية يساوي 21

3 ن + 3 = 21

3 ن + 6 = 21

3 ن + 2 = 21

3 ن + 4 = 21

مربع محيطه 20 سم تكون مساحته =

252 سم

202 سم

42 سم

52 سم

اترك تعليقا: إلغاء الرد