حلول الأسئلة
السؤال
احسب ناتج ضرب أو قسمة كلٍّ مما يأتي، وقرّب الناتج إلى أقرب منزلتين عشريتين إذا لزم الأمر
٠،٣٧
٣٦٠
الحل
4٠،٣٧ ٣٦٠ = ٢٤٨،٤٠
شاهد حلول جميع الاسئلة
حل أسئلة التهيئة
أجب عن الاختبار التالي:
احسب ناتج ضرب أو قسمة كل مما يأتي، وقرب الناتج إلى أقرب منزلتين عشريتين إذا لزم الأمر. (مهارة سابقة).
١) ٣٦٠ × ٠,٨٥
٣٦٠ × ٠,٨٥ = ٣٠٦
٢) ٤٨ ÷ ١٩١
٤٨ ١٩١
٠,٢٥
٣) ٢٤ ÷ ١٥٦
٢٤ ÷ ١٥٦ ٠,١٥
٤) ٠,٣٧ × ٣٦٠
٠,٣٧ × ٣٦٠ = ٢٤٨,٤٠
٥) ٣٣ ÷ ٣٠٧
٣٣ ÷ ٣٠٧ = ٠,١٠٧
٦) ٠,٦٩ × ٣٦٠
٠,٦٩ × ٣٦٠ = ٢٤٨,٤٠
حل كلاً من المعادلتين الآتيتين: (مهارة سابقة).
٧) ١٢٢ + س + ١٤ = ١٨٠
١٢٢ + س + ١٤ = ١٨٠
١٣٦ + س= ١٨٠ بجمع ١٢٢ + ١٤
س = ٤٤ بطرح ١٣٦ من الطرفين
٨) ٤٥ + ١٣٩ + ك + ١٧ = ٣٦٠
٤٥ + ١٣٩ + ك + ١٧ = ٣٦٠ بجمع الحدود المتشابهة.
٢٠١ + ك = ٣٦٠ بطرح ٢٠١ من الطرفين.
ك = ١٥٩
٩) تعليم: إذا كان عدد أيام الدراسة ١٨٠ يوماً، انقضى منها ٧٢ يوماً، وبقي ١٣ يوماً على إجازة منتصف السنة، فما عدد أيام الدراسة بعد الإجابة؟ (مهارة سابقة).
- المتبقي من أيام السنة = ١٨٠ - ٧٢ = ١٠٨ يوم.
- عدد أيام الدراسة بعد الإجازة = ١٠٨ - ١٢ = ٩٥ يوم.
حل كل تناسب مما يأتي: (الدرس ٤ - ٥).
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بالضرب التبادلي
٣ أ = ٤ × ٩ بقسمة الطرفين ÷ ٣
أ = ١٢
١١) format('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Cline%20stroke%3D%22%23000000%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20x1%3D%2250.5%22%20x2%3D%2264.5%22%20y1%3D%2218.5%22%20y2%3D%2218.5%22%2F%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2257.5%22%20y%3D%2212%22%3E%26%23x667%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2257.5%22%20y%3D%2232%22%3E%26%23x661%3B%26%23x666%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22math17f39f8317fbdb1988ef4c628eb%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2235.5%22%20y%3D%2224%22%3E%3D%3C%2Ftext%3E%3Cline%20stroke%3D%22%23000000%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20x1%3D%222.5%22%20x2%3D%2220.5%22%20y1%3D%2218.5%22%20y2%3D%2218.5%22%2F%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2211.5%22%20y%3D%2212%22%3E%26%23x647%3B%26%23x640%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2211.5%22%20y%3D%2232%22%3E%26%23x663%3B%26%23x662%3B%3C%2Ftext%3E%3C%2Fsvg%3E)
بالضرب التبادلي
١٦ هـ = ٧ × ٣٢ بقسمة الطرفين ÷ ١٦
هـ = ١٤
١٢) format('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Cline%20stroke%3D%22%23000000%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20x1%3D%2251.5%22%20x2%3D%2261.5%22%20y1%3D%2218.5%22%20y2%3D%2218.5%22%2F%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2256.5%22%20y%3D%2212%22%3E%26%23x665%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2256.5%22%20y%3D%2232%22%3E%26%23x668%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22math17f39f8317fbdb1988ef4c628eb%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2236.5%22%20y%3D%2224%22%3E%3D%3C%2Ftext%3E%3Cline%20stroke%3D%22%23000000%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20x1%3D%222.5%22%20x2%3D%2221.5%22%20y1%3D%2218.5%22%20y2%3D%2218.5%22%2F%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2211.5%22%20y%3D%2212%22%3E%26%23x661%3B%26%23x665%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2212.5%22%20y%3D%2232%22%3E%26%23x635%3B%3C%2Ftext%3E%3C%2Fsvg%3E)
بالضرب التبادلي
٥ ص = ٨ × ١٥
٥ ص = ١٢٠ بقسمة الطرفين÷ ٥
ص = ٢٤
١٣) format('truetype')%3Bfont-weight%3Anormal%3Bfont-style%3Anormal%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Cline%20stroke%3D%22%23000000%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20x1%3D%2242.5%22%20x2%3D%2261.5%22%20y1%3D%2218.5%22%20y2%3D%2218.5%22%2F%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2252.5%22%20y%3D%2212%22%3E%26%23x62A%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2252.5%22%20y%3D%2232%22%3E%26%23x664%3B%26%23x662%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22math17f39f8317fbdb1988ef4c628eb%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%2227.5%22%20y%3D%2224%22%3E%3D%3C%2Ftext%3E%3Cline%20stroke%3D%22%23000000%22%20stroke-linecap%3D%22square%22%20stroke-width%3D%221%22%20x1%3D%222.5%22%20x2%3D%2212.5%22%20y1%3D%2218.5%22%20y2%3D%2218.5%22%2F%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%227.5%22%20y%3D%2212%22%3E%26%23x667%3B%3C%2Ftext%3E%3Ctext%20font-family%3D%22Arial%22%20font-size%3D%2216%22%20text-anchor%3D%22middle%22%20x%3D%227.5%22%20y%3D%2232%22%3E%26%23x666%3B%3C%2Ftext%3E%3C%2Fsvg%3E)
بالضرب التبادلي
٦ ت = ٧ × ٤٢ بقسمة الطرفين ÷ ٦
ت = ٤٩
١٤) قراءة: يستطيع سالم قراءة ٢٨ صفحة في ٤٥ دقيقة، ما عدد الصفحات التي يستطيع قراءتها في ١٣٥ دقيقة؟ (مهارة سابقة).
بالضرب التبادلي
٤٥ س = ١٣٥ × ٢٨ بقسمة الطرفين ÷ ٤٥
س = ٨٤
إذن يستطيع سالم قراءة ٨٤ صفحة في ١٣٥ دقيقة.