8/9+10/11-(3/11+2/9)= 简便运算:9/26+5/14-3/13+3/28= 5/3+6/5-(2/3+1/5)= 方程解:15/16X+1/2=15/16+2/快!
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/20 16:24:36
![8/9+10/11-(3/11+2/9)= 简便运算:9/26+5/14-3/13+3/28= 5/3+6/5-(2/3+1/5)= 方程解:15/16X+1/2=15/16+2/快!](/uploads/image/z/17051-59-1.jpg?t=8%2F9%2B10%2F11-%283%2F11%2B2%2F9%29%3D+%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%EF%BC%9A9%2F26%2B5%2F14-3%2F13%2B3%2F28%3D+5%2F3%2B6%2F5-%282%2F3%2B1%2F5%29%3D+%E6%96%B9%E7%A8%8B%E8%A7%A3%EF%BC%9A15%2F16X%2B1%2F2%3D15%2F16%2B2%2F%E5%BF%AB%21)
8/9+10/11-(3/11+2/9)= 简便运算:9/26+5/14-3/13+3/28= 5/3+6/5-(2/3+1/5)= 方程解:15/16X+1/2=15/16+2/快!
8/9+10/11-(3/11+2/9)= 简便运算:9/26+5/14-3/13+3/28= 5/3+6/5-(2/3+1/5)= 方程解:15/16X+1/2=15/16+2/
快!
8/9+10/11-(3/11+2/9)= 简便运算:9/26+5/14-3/13+3/28= 5/3+6/5-(2/3+1/5)= 方程解:15/16X+1/2=15/16+2/快!
8/9+10/11-(3/11+2/9)
= 8/9-2/9+10/11-3/11
=2/3+7/11
=43/33
9/26+5/14-3/13+3/28
=9/26-3/13+5/14+3/28
=3/26+13/28
=211/364
5/3+6/5-(2/3+1/5)
=5/3-2/3+6/5-1/5
=1+1=2