用方程解答,谢谢了
3个回答
2014-12-04
展开全部
1.
=240÷15x4 =240÷(15x4)
=16x4 =240÷60
=64 =4
2.
=640÷(16x5) (368-261)x5
=640÷80 =107x5
=8 =535
=19x(600÷15) =909-(36x25)
=19x40 =909-900
=760 =9
3.
[26+(26+5)]x2
=(26+31)x2
=57x2
=114只
=240÷15x4 =240÷(15x4)
=16x4 =240÷60
=64 =4
2.
=640÷(16x5) (368-261)x5
=640÷80 =107x5
=8 =535
=19x(600÷15) =909-(36x25)
=19x40 =909-900
=760 =9
3.
[26+(26+5)]x2
=(26+31)x2
=57x2
=114只
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询