如题所述
第1个回答 2020-05-22
第2个回答 2020-05-22
50÷9/5+13×5/9
=50×5/9+13×5/9
=5/9×(50+13)
=5/9x 63
=5x7
=35本回答被网友采纳
=50×5/9+13×5/9
=5/9×(50+13)
=5/9x 63
=5x7
=35本回答被网友采纳
第3个回答 2020-05-22
50÷9/5+13×5/9
=50×5/9+13×5/9
=5/9×(50+13)
=5/9×63
=35
=50×5/9+13×5/9
=5/9×(50+13)
=5/9×63
=35