(35/6+21/4)÷7/4
=(35/6+21/4)×4/7
=35/6*4/7+21/4*4/7
=(5/3)*2+3
=10/3+9/3
=19/3
(27/4+36/5)÷9/5
=(27/4+36/5)×5/9
=27/4×5/9+36/5×5/9
=15/4+4
=31/4
=7.75
的回答请点击下方选为满意回答按钮,
(35/6+21/4)÷7/4
=(35/6+21/4)×4/7
=35/6*4/7+21/4*4/7
=(5/3)*2+3
=10/3+9/3
=19/3
(27/4+36/5)÷9/5
=(27/4+36/5)×5/9
=27/4×5/9+36/5×5/9
=15/4+4
=31/4
=7.75
的回答请点击下方选为满意回答按钮,