HOC24
Lớp học
Môn học
Chủ đề / Chương
Bài học
Nam and hs brother (walk) walk to school every day
He (walk) is walking to school now
She (have) has long black hair
They (eat) are eating breakfast now
Hoa (wait) is waiting for the bus
Mr.Trung is a bus driver.He (drive) drives a bus but now he (have) is having lunch at a foodstall
The chldren (eat) eat meat every day
Today,they (eat) are eating fish now
my name is vui
cau viet nham rui phai la
louker thanh looker moi dung
looker co nghia la nguoi xem
doesn't bạn ơi
gọi số cần tìm là ab.theo bài ra ta có:
a33b=ab.89
=>330+1000a+b=890a+89b
=>330+110a=88b
=>15+5a=4b
=>5(3+a)=4b
đến đó tự làm