Các câu hỏi tương tự
A= 1 phan 2 + 1 phan 6 + 1 phan 12 + 1phan 20 + 1 phan 30 + 1 phan 30 + 1 phan 42
Xem chi tiết
1/2+1/6+1/12+1/20+1/30+1/x=41/42=?
tinh nhanh 1/2 +1/6 +1/12 +1/20 +1/30 +1/42
a,1/2+1/6+1/12+1/20+1/30+1/x=41/42
Tìm x biết :1/2+1/6+1/12+1/20+1/30+1/x=41/42
1/2+1/6+1/12+1/20+1/30+1/x=41/42
1/2+1/6+1/12+1/20+1/30+1/x=41/42
tính bằng cách thuận tiện nhất
1/2+1/6+1/12+1/20+1/30+1/42+1/56
1/2+1/6+1/12+1/20+1/30+1/x=41/42
tìm x