Cho bài toán: Tìm số tự nhiên thỏa mãn .
Một bạn thực hiện lời giải như sau:
Bước 1:
Bước 2:
Bước 3:
Bước 4:
Bước 5:
Bước 6:
Bước 7:
Bước 8: Vậy .
Bạn giải đúng chưa? Nếu sai thì sai từ bước nào?
one hundred plus two thousands = ?
a) Thu gọn biểu thức b) Thu gọn biểu thức A = 2x + 7 − 3 B = 3x −8 −12
one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one + one =?
Put 1,2,3,4,5,6,7,8,9 in the circles on the edges of the triangle below such that the sum of the numbers on one side equals the sum of the numbers on the other side,which is 17.The sum of the numbers on the three vertices is
Put1,2,3,4,5,6,7,8,9 in the circles on the edges of the triangle below such thatthe sum of the numbers on one side equals the sum of the numbers on the other side,which is 17.The sum of the numbers on the three vertices is
Question 9:
Put1,2,3,4,5,6,7,8,9 in the circles on the edges of the triangle below such thatthe sum of the numbers on one side equals the sum of the numbers on the other side,which is 17.The sum of the numbers on the three vertices is....
Tìm các cặp số nguyên sao cho −7x −11 chia hết cho 2x + 4 .
Thay mỗi chữ bằng mỗi số thích hợp biết: one + one + one + one = four và four + one = five.