Số số hạng trong dãy trên là :      ( 500 - 2 ) : 2 + 1 = 250 ( số )

Tổng các số trong dãy số trên :      ( 500 + 2 ) * 250 : 2 = 62750

 ĐÚNG cho mình nha !

two+four+...+five-hundred

=(two+five-hundred)+(four+four-hunged ninety eight)+...+(two-hundred fifty+two-hundred-fity two)

=five-hundred two+five-hundred two+...+five-hundred-two (It is have (502-2)/2=250 five-hundred-twos)

=five-hundre two * two hudred fifty

=one-hundred twenty-five thousand five-hundred

one + four + five + ten + nine + six + seven = thirty seven

Mình không hiểu gì cả

Thirty-six : Four = Nine (nghĩa là 36 : 4 = 9)

21 + 15 = 36

78 + 100 = 178

200 + 43 = 243

Chúc bạn học giỏi Toán tiếng Anh 

seventy-one

one hundred and seven-eight

two hundred and forty-three

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One billion=1 000 000 000.

Ten thousand=10 000.

one thousand=1000

Seven thousand three hundred and seventy-six=7370-6=7364

câu cuối mk không chắc nha

Four hundred and twenty five
TK mik

1800-1375=425

five + three = eight

ten + six = sixteen

five + three = eight (5+3=8)

ten + six = sixteen (10+6=16)

43

42

34

102

204

43,42,34,102,104 tick cho mk hết âm nha bn

B1

a) 17 b) 6 c) 112 d)9687

B2

100-x=33

x=100-33

x= 67

Ko bít

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One hundred and fifty - eight forked by = seventy nine

It's 158

for me