算简 30÷25÷4 (5/4-1/3)÷1/8+1/7 5/9*13/17+4/9÷17/13
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算简30÷25÷4(5/4-1/3)÷1/8+1/75/9*13/17+4/9÷17/13算简30÷25÷4(5/4-1/3)÷1/8+1/75/9*13/17+4/9÷17/13算简30÷25÷4(
算简 30÷25÷4 (5/4-1/3)÷1/8+1/7 5/9*13/17+4/9÷17/13
算简 30÷25÷4 (5/4-1/3)÷1/8+1/7 5/9*13/17+4/9÷17/13
算简 30÷25÷4 (5/4-1/3)÷1/8+1/7 5/9*13/17+4/9÷17/13
30÷25÷4
=30÷(25×4)
=30÷100
=0.3
(5/4-1/3)÷1/8+1/7
= 11/12×8+1/7
=22/3+1/7
=7又10/21
5/9*13/17+4/9÷17/13
=5/9×13/17+4/9×13/17
=13/17×(5/9+4/9)
=13/17×1
=13/17
30÷25÷4
=30÷(25×4)
=30÷100
=0.3
(5/4-1/3)÷1/8+1/7
=5/4×8 - 1/3×8 +1/7
=10 - 8/3 +1/7
=22/3+1/7
=157/21
5/9*13/17+4/9÷17/13
=5/9*13/17+4/9×13/17
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30÷25÷4
=30÷(25×4)
=30÷100
=0.3
(5/4-1/3)÷1/8+1/7
=5/4×8 - 1/3×8 +1/7
=10 - 8/3 +1/7
=22/3+1/7
=157/21
5/9*13/17+4/9÷17/13
=5/9*13/17+4/9×13/17
=13/17×(5/9 + 4/9)
= 13/17× 1
= 13/17
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算简 30÷25÷4 (5/4-1/3)÷1/8+1/7 5/9*13/17+4/9÷17/13
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