.sqrt {
  display: inline-block;
  vertical-align: middle;
}
.sqrt1 {
  display: flex;-
  align-items:stretch;
}
.sqrt1:before {
  content: ' ';
  width:2px;
  margin-right:-0.05em;
  margin-left:2px;
  border-style: solid;
  border-width:  0.1em 0.1em 0 0;
  transform-origin: bottom right;
  transform: scale(1, 0.5) skewX(5deg);

}
.sqrt2{
  display: inline-block;
  border-style: solid;
  border-width:  0.1em 0 0 0.1em;
}
.say {
  display: inline-block;
}
.division {
  display: inline-block;
  vertical-align: middle;
  margin: 0px 3px 0px 3px;
}
.division > div:first-child {
  border-bottom: solid 0.1em;
}
.division div {
  text-align:center;
}
.vector {
  border-top: solid 0.1em;
  display: inline-block;
}
.hilo {
  display: inline-block;
  vertical-align: middle;
  margin: 0px 3px 0px 3px;
  font-size: 70%;
}
.hilo div {
  text-align:center;
}