急需要
3/7 × 49/9 - 40%
8/9 × 30% + 1/27
12× 5/6 – 2/9 ×3
8× 5/4 + 25%
6÷ 3/8 – 3/8 ÷6
4/7 × 5/9 + 3/7 × 5/9
5/2 -( 3/2 + 80%)
7/8 + ( 1/8 + 1/9 )
9 × 5/6 + 5/6
75% × 8/9 - 1/3
7 × 5/49 + 3/14
6 ×( 50% + 2/3 )
8 × 80% + 8 × 11/5
31 × 5/6 – 5/6
9/7 - ( 2/7 – 10/21 )
8/9 × 30% + 1/27
12× 5/6 – 2/9 ×3
8× 5/4 + 25%
6÷ 3/8 – 3/8 ÷6
4/7 × 5/9 + 3/7 × 5/9
5/2 -( 3/2 + 80%)
7/8 + ( 1/8 + 1/9 )
9 × 5/6 + 5/6
75% × 8/9 - 1/3
7 × 5/49 + 3/14
6 ×( 50% + 2/3 )
8 × 80% + 8 × 11/5
31 × 5/6 – 5/6
9/7 - ( 2/7 – 10/21 )
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