1. Tính
19/121 – 1/11
4/15 + 3
3 – 5/9
2. Tính
1/3 + 1/5 + 1/4
7/8 – ( 1/4 + 2/5 )
5/11 – ( 3/5 – 6/11 )
5/7 – ( 19 – 35 – 6/15 )
1. Tính
19/121 – 1/11
4/15 + 3
3 – 5/9
2. Tính
1/3 + 1/5 + 1/4
7/8 – ( 1/4 + 2/5 )
5/11 – ( 3/5 – 6/11 )
5/7 – ( 19 – 35 – 6/15 )
Câu hỏi mới
2 bình luận về “1. Tính 19/121 – 1/11 4/15 + 3 3 – 5/9 2. Tính 1/3 + 1/5 + 1/4 7/8 – ( 1/4 + 2/5 ) 5/11 – ( 3/5 – 6/11 ) 5/7 – ( 19 – 35 – 6”