Amy’s father has 5 children, how many brothers and sisters does Amy have

Amy’sfather:BốcủaAmy;Brother:Anh/emtrai;Sister:Chị/emgái

According to the pattern shown below, how many triangle(s) is / are there within the 26th symbol counting from the left?

Pattern: Quy luật; Triangle: Hình tam giác; 26thsymbol: Ký hiệu thứ 26; From the left: Từ bêntrái

When Amy was born, mum was 34 years old. When Amy will be 15 years old, how old will mum be?

Born: Sinh ra; Years old: Tuổi

In year 2018, how many month(s) is / are there with 31 days?

Year: Năm; Month: Tháng; Day: Ngày

According to the pattern below, what is the English letter in the space?

Pattern: Quy luật; English letter: Chữ cái Tiếng Anh; Space: Chỗ trống.

A 、 E 、 I 、 M 、     

Find the value of 2 + 4 + 6 + 8 +10 +12 +14 +16 .

Value: Giá trị

Find the value of 17 x 11 + 17 x 3 - 17 x 4 .

Value: Giá trị.

Find the value of 2 - 5 + 8 - 11 + 14 -17 + 20 - 23 + 26 .

Value: Giá trị.

Find the value of 1+ 2 + 3 + 4 + 5 + 6 + 5 + 4 + 3 + 2 + 1.

Value: Giá trị

A and B are both 1-digit numbers and A < B. What is the value of A + B ?

1-digit number: Số có 1 chữ số; Value:Giá trị; Equation: Phép tính