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ریاضی را آسان بیاموزیم - ضرب وتقسیم اعداد کسری(کلاس اول)

ریاضی را حفظ نکنیم با تمرین کردن یاد بگیریم

ضرب وتقسیم اعداد کسری(کلاس اول)

نویسنده :رضا سازمند
تاریخ:پنجشنبه 4 آذر 1389-10:17 ق.ظ

ضرب کسرها:
برای محاسبه حاصل ضرب کسرها تا جایی که امکان دارد صورت کسرها را بر
مخرج ها ساده می کنیم،(صورت کسر اول را بر مخرج خودش ومخرج کسر دوم
وصورت کسر دوم را نیز بر مخرج کسر خودش وکسر اول ساده می کنیم)
در ادامه صورت های ساده شده را در هم ومخرج های ساده شده را در هم
ضرب می کنیم،حاصل بدست آمده،حاصل ضرب کسر ها می باشد.




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