بليييييييييييييييييييييييييييييييييييييييييييييييي ز

[douaafifi]

بليييييييييييييييزز
اريد حل التمارين 1 و 2 ص 50
في مادة العلم الطبيعية ان لم يساعدني احد ساعتزل الانترنيييييت
بليييييييييييييييييييييييييييييييييييييييييييييييي يييييييييييييييييييييييييييييييييييييييييييييييييي ييييز
:dj_17::dj_17::dj_17::dj_17::dj_17::dj_17::dj_17:: dj_17::sdf::sdf::sdf::sdf::sdf::sdf::sdf::mh92::mh 92::mh92::mh92::mh92::mh92::mh92::mh92::mh92:

[douaafifi]

اين ردودكم
الان اختفيتم
ارجووووووووووووووكم

[douaafifi]

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[كاميليبا]

سارى وابحث عن الاجابة

[djihadlp]

التمرين الاول :
- يدل اللون الازرق البنفسجي على وجود مادة النشاء
-مصدر هذه المادة عضوي نباتي
- تصنف مادة النشاءعلى اساس دورها في عضويتنا ضمن اغذية الطاقة
- مادة النشاء لا يحصل عليها نبات البطاطا مباشرة من التربة . بل يصنعها بظاهرة التركيب الضوئي بحيث يمتص النبات الماء و الاملاح المعدنية من التربة و في الاوراق يمتص co2 في وجود الضوء و اليخضور
التمرين الثاني :
- ذبل النبات في الانبوب 1 لعدم وجود الاملاح المعدنية
-ذبل النبات في الانبوب 2 لوجود الاملاح المعدنية بتركيز عالي
و انا متاكدة من ان هذه التمارين صحيحة مئة بالمئة لاننا صححناه في القسم

[أنس الوجود]

انتضرني قليلا

[~.سارة الجزائرية.~]

أحسنت أنا أؤكد على هذه التمارين أنها صحيحة 200%
لأننا صححناها في القسم أيضل

[aymen_m]

من فضلكم الفرض الثاني في الرياضيات للثلاثي الثاني

[احلام الصيرة]

الفرض

نقظة للورقة المنظمة
التمرين الأول : (04 نقاط )
1. أحسب مايلي بتجميع ملائم للحدود
،
2. أتمم كلا من المساويات التالية
،
التمرين الثاني :( 04 نقاط )
أعط كتابة عشرية بالأرقام لكل من الأعداد التالية :
‌أ) مائة وخمسة وعشرون ألف ومائة وثلاثة وسبعون وحدة .
‌ب) مائة وحدة ومائة جزء من ألف .
‌ج) أوجد العدد العشري الذي :
رقم أعشاره 2 رقم عشراته 5 ورقم أجزائه من المائة 4 ورقم آحاده 6
ورقم أجزائه من الألف 7 .
التمرين الثالث : ( 04 نقاط )
1. أنقل الشكل المقابل على ورقة الإجابة
2. أنشئ بإستعمال المسطرة والمدور
المستقيم ( d1 ) يشمل A ويعامد (∆) .
3. أنشئ بإستعمال المسطرة والمدور
المستقيم ( d2 ) يشمل A ويوازي (∆) .
4. ما وضع المستقيمين ( d1 )و ( d2 ) ؟
التمرين الرابع : ( 03 نقط)
A وB نقطتان من مستقيم (∆) حيث : AB = 7 cm .
1. عين النقطة O من القطعة [AB] حيث OA = 3,5 cm .
2. أحسب الطول OB ، ماذا تمثل النقطة O بالنسبة إلى القطعة [AB] .
3. أكمل مايلي : O منتصف [AB] معناه ......................و........................... .......
التمرين الخامس : ( 04 نقط)
اشترى رجلا حاسوبا فسدد ثمنه على ثلاث حصص .
فكانت قيمة الحصة الأولى 11258,25 DA ، و قيمة الحصة الثانية ضعف الحصة الأولى.
والحصة الثالثة تزيد عن الحصة الأولى بــ 160,37 DA .
1. ما هو المبلغ الذي دفعه في الحصة الثانية ؟
2. ما هو المبلغ الذي دفعه في الحصة الثالثة ؟
3. أحسب ثمن الحاسوب
4. أعط مدور ثمن الحاسوب إلى الوحدة من الدينار .
انتهـــــى الصفحـــة 1 / 1

[هبة2]

التمرين الاول :
- يدل اللون الازرق البنفسجي على وجود مادة النشاء
-مصدر هذه المادة عضوي نباتي
- تصنف مادة النشاءعلى اساس دورها في عضويتنا ضمن اغذية الطاقة
- مادة النشاء لا يحصل عليها نبات البطاطا مباشرة من التربة . بل يصنعها بظاهرة التركيب الضوئي بحيث يمتص النبات الماء و الاملاح المعدنية من التربة و في الاوراق يمتص co2 في وجود الضوء و اليخضور
التمرين الثاني :
- ذبل النبات في الانبوب 1 لعدم وجود الاملاح المعدنية ووجود ماء مقطر.
-ذبل النبات في الانبوب 2 لوجود الاملاح المعدنية بتركيز عالي جدا .

الاستنتاج:استنتج ان النبات الاخضر يحتاج الى املاح معدنية لكن بتركيز متوسط لكي لا يذبل.

[لؤي طالب العلم]

حااااااااااااااااااااااااااااااااااااااااااااااااا سناناااااااااا استطيع لالالالالالالالالالالاكن لا املك كتاب العلوم لانني انا هاذه السنة 2013 اخذة شهادة الابتدائي