简算:第一道:25又3/4 ÷ 1/4 (5/6-3/4)× 4/5+1/3=?3/17 ×1/3 +14\3× 1\17=?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 13:21:15
![简算:第一道:25又3/4 ÷ 1/4 (5/6-3/4)× 4/5+1/3=?3/17 ×1/3 +14\3× 1\17=?](/uploads/image/z/360713-65-3.jpg?t=%E7%AE%80%E7%AE%97%EF%BC%9A%E7%AC%AC%E4%B8%80%E9%81%93%EF%BC%9A25%E5%8F%883%2F4+%C3%B7+1%2F4+%285%2F6-3%2F4%29%C3%97+4%2F5%2B1%2F3%3D%3F3%2F17+%C3%971%2F3+%2B14%5C3%C3%97+1%5C17%3D%3F)
简算:第一道:25又3/4 ÷ 1/4 (5/6-3/4)× 4/5+1/3=?3/17 ×1/3 +14\3× 1\17=?
简算:第一道:25又3/4 ÷ 1/4 (5/6-3/4)× 4/5+1/3=?3/17 ×1/3 +14\3× 1\17=?
简算:第一道:25又3/4 ÷ 1/4 (5/6-3/4)× 4/5+1/3=?3/17 ×1/3 +14\3× 1\17=?
25又3/4 ÷ 1/4 =103/4÷1/4=103
(5/6-3/4)× 4/5+1/3
=4/6-3/5+1/3
=1-3/5
=2/5
3/17 ×1/3 +14\3× 1\17
=1/17×(1+14/3)
=1/3