从+,-,×,÷,【】中选去适当的符号添在等号左边,使等式成立5 5 5 5 5 =1 5 5 5 5 5 =3 9 9 9 9 9 =3 5 5 5 5 5 =2 5 5 5 5 5 =4 9 9 9 9 9 =20应该是9 9 9 9 9 =17
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 01:15:17
![从+,-,×,÷,【】中选去适当的符号添在等号左边,使等式成立5 5 5 5 5 =1 5 5 5 5 5 =3 9 9 9 9 9 =3 5 5 5 5 5 =2 5 5 5 5 5 =4 9 9 9 9 9 =20应该是9 9 9 9 9 =17](/uploads/image/z/1748482-34-2.jpg?t=%E4%BB%8E%2B%2C-%2C%C3%97%2C%C3%B7%2C%E3%80%90%E3%80%91%E4%B8%AD%E9%80%89%E5%8E%BB%E9%80%82%E5%BD%93%E7%9A%84%E7%AC%A6%E5%8F%B7%E6%B7%BB%E5%9C%A8%E7%AD%89%E5%8F%B7%E5%B7%A6%E8%BE%B9%2C%E4%BD%BF%E7%AD%89%E5%BC%8F%E6%88%90%E7%AB%8B5+5+5+5+5+%3D1+5+5+5+5+5+%3D3+9+9+9+9+9+%3D3+5+5+5+5+5+%3D2+5+5+5+5+5+%3D4+9+9+9+9+9+%3D20%E5%BA%94%E8%AF%A5%E6%98%AF9+9+9+9+9+%3D17)
从+,-,×,÷,【】中选去适当的符号添在等号左边,使等式成立5 5 5 5 5 =1 5 5 5 5 5 =3 9 9 9 9 9 =3 5 5 5 5 5 =2 5 5 5 5 5 =4 9 9 9 9 9 =20应该是9 9 9 9 9 =17
从+,-,×,÷,【】中选去适当的符号添在等号左边,使等式成立
5 5 5 5 5 =1 5 5 5 5 5 =3 9 9 9 9 9 =3 5 5 5 5 5 =2 5 5 5 5 5 =4 9 9 9 9 9 =20
应该是9 9 9 9 9 =17
从+,-,×,÷,【】中选去适当的符号添在等号左边,使等式成立5 5 5 5 5 =1 5 5 5 5 5 =3 9 9 9 9 9 =3 5 5 5 5 5 =2 5 5 5 5 5 =4 9 9 9 9 9 =20应该是9 9 9 9 9 =17
(5+5)÷5-5÷5=1
(5+5)÷5+5÷5=3
(9+9)÷9+9÷9=3
(5+5+5-5)÷5=2
(5+5+5+5)÷5=4
(9+9)+(9+9)÷9=20
(9×9-9)÷9+9=17
(9÷9+9÷9)×9=18
(5-5)*5+5/5=1
(5*5+5)5/5=1
(5*5-5-5)/5=3
9*9/(9+9+9)=3
(5+5)/5+5-5=2
(5+5+5+5)/5=4
9+9+(9+9)/9=20
5-(5*5-5)/5=1 5-(5/5)-(5/5)=3 (9+9)/9+(9/9)=3 (5+5)/5+5-5=2 5-(5/5)*(5/5)=4 (9+9)/9+9+9=20
(9×9-9)÷9+9=17