Các câu hỏi tương tự
3000+4000+2000+1000+500-500+500-500+500-500+500-500
500+500=
500+500
500+500
500+500=
500 + 500 = ????
500 +500 =.......
500+500-1000
1000—500—500
3000+4000+2000+1000+500-500+500-500+500-500+500-500
500+500=
500+500
500+500
500+500=
500 + 500 = ????
500 +500 =.......
500+500-1000
1000—500—500