Các câu hỏi tương tự
A=99-97+95-93+91-89+......+7-5+3-1 Tinh nhan bieu thuc tren
tinh nhanh
99-97+95-93+91-89+.....7-5+3-1
32x47+32-53+168+79+132
25/2+25/3-25/7/1/3+1/3-1/7
99 - 97 + 95 - 93 + 91 - 89 +........+7 - 5 + 3 - 1
99-97 +95-93+91-89+...+7-5+3-1 = ?
99-97+95-93+91-89+.....+7-5+3-1=?
99-97+95-93+91-89+...+7-5+3-1
A=99-97+95-93+91-89+...+7-5+3-1
99-97+95-93+91-89+...+9-7+5-3+1
G = 99 - 97 + 95 - 93 + 91 - 89 + ........ + 7 - 5 + 3 - 1 = ?