5-0.25+0.75 = =
5-0.25+0.75 = =
(-0.75)除以0.25=?
×+1分之0.75=0.25
计算:(+3)+(+4)= (-2)+(+8)= (-0.25)+(+0.75)= (-2)+(-5)= (-9)+(+
解方程:5/6-x=1/2 x+0.75-3/5=0.25
0.64*0.25+0.75= 的简便方法
5.4-0.25=0.75的简便,
计算 0.25*(-2.15)+0.75*(+3.15)/3=?
解方程:x^0.75-x^0.25=0.75 求x
x-0.25-0.75=y+0.25解方程
判断题:因为0.25+0.75=1,所以0.25和0.75互为倒数()
0.75-5x=0.75怎么算