প্রশ্ন ও উত্তর
Given that w + x = - 4, x + y = 25 and y + w = 15, what is the average (arithmetic mean) of w, x and y?
গণিত সরল সহ-সমীকরণ 05 Oct, 2018
প্রশ্ন Given that w + x = - 4, x + y = 25 and y + w = 15, what is the average (arithmetic mean) of w, x and y?
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