Question

六年级数学，10道简便计算题带答案谢谢难一些。😊

Answer 1

3/7 × 49/9 - 4/3
=7/3-4/3
=1

8/9 ×5/12+ 1/27
=10/27+1/27
=11/27

12× 5/6 – 2/9 ×3
=10-2/3
=9又1/3

8× 5/4 + 1/4
=10+1/4
=10又1/4、

6÷ 3/8 – 3/8 ÷6
=16-1/16
=15又15/16

4/7 × 5/9 + 3/7 × 5/9
=（4/7+3/7）×5/9
=1×5/9
=5/9

5/2 -（ 3/2 + 4/5 ）
=5/3-3/2-4/5
=1-4/5
=1/5

7/8 + （ 1/8 + 1/9 ）
=7/8+1/8+1/9
=1+1/9
=1又1/9

9 × 5/6 + 5/6
=（9+1）×5/6
=10×5/6
=25/3

3/4 × 8/9 - 1/3
=2/3-1/3
=1/3

（1/2+1/3-1/5）×30
=1/2×30+1/3×30-1/5×30
=15+10-6
=19

追问

难一点

难一点