递等式计算.×÷ ÷÷ ÷(+)1.08×0.8÷0.27 9.07﹣22.78÷3.4
10-÷×1
325×0.36+6.75×36
5.6×0.375+×5.4-0.375×0.9
5.6x+4x=17.28
x+=