五年级下册异分母分数加减法简便
第1个回答 2017-02-21
1.3/7 -49/9 - 4/3
2.8/9 + 15/36 + 1/27
3.12+5/6 – 2/9 ×3
4.8+ 5/4 + 1/4
5.6- 3/8 – 3/8 ÷6
6.4/7 - 5/9 + 3/7 - 5/9
7.5/2 -( 3/2 + 4/5 )
8.7/8 + ( 1/8 + 1/9 )
9.9 - 5/6 + 5/6
10.3/4 - 8/9 - 1/3
11.7 - 5/49 + 3/14
12.6 +( 1/2 + 2/3 )
13.8 +4/5 + 8 -11/5
14.31 -5/6 – 5/6
15.9/7 - ( 2/7 – 10/21 )本回答被网友采纳
2.8/9 + 15/36 + 1/27
3.12+5/6 – 2/9 ×3
4.8+ 5/4 + 1/4
5.6- 3/8 – 3/8 ÷6
6.4/7 - 5/9 + 3/7 - 5/9
7.5/2 -( 3/2 + 4/5 )
8.7/8 + ( 1/8 + 1/9 )
9.9 - 5/6 + 5/6
10.3/4 - 8/9 - 1/3
11.7 - 5/49 + 3/14
12.6 +( 1/2 + 2/3 )
13.8 +4/5 + 8 -11/5
14.31 -5/6 – 5/6
15.9/7 - ( 2/7 – 10/21 )本回答被网友采纳