1)when x is divided by 25, the remainder is O。 the remainder when x is divided by 5 & O 2)Mrs. Jones sold two houses for 80000 each. One house was sold at a 20 percent loss and the other at a 20 persent gain, The gain minus the loss & 0 3) 一个三角,然后中间有两个线。。就绿皮section3 的第30题,问想x+y的角大还是W+z的角大那个