.ming {
	width:70vw;
	height:7.5vh;
	margin:0 auto;
	text-align:right;
	line-height:7.5vh;
	font-size:2.5vh;
	font-weight:700;
}
.ming>span {
	display:inline-block;
	width:8%;
	height:1%;
	background:black;
}
.ming>s {
	margin-left:2vw;
}
.这是100内加减法-标题,.这是100以内竖式计算-标题 {
	width:70vw;
	height:10vh;
	margin:5vh auto 0 auto;
	font-size:3vh;
	font-weight:700;
}
.这是100内加减法-内容,.这是100以内竖式计算-内容 {
	width:70vw;
	margin:0 auto;
	font-size:3vh;
	font-weight:700;
}
.这是100内加减法-内容>div,.这是100以内竖式计算-内容>div {
	display:flex;
	justify-content:space-between;
	line-height:10vh
}
.这是100内加减法-内容>div>div,.这是100以内竖式计算-内容>div>div {
	display:inline-block;
}
.这是100内加减法-内容>div>div:nth-child(5) {
	margin-right:5vw;
}
.这是100以内竖式计算-内容>div>div {
	line-height:5vh;
	width:20%;
	height:25vh;
	text-align:right;
	letter-spacing:1.5vw;
}
.这是100以内竖式计算-内容>div>div>div:nth-child(2) {
	border-bottom:2px solid black;
}
.竖式计算结果 {
	width:100%;
	height:5vh;
	letter-spacing:0px;
}
.竖式计算结果>div {
	width:20%;
	height:100%;
	border:1px solid black;
	display:inline-block;
	margin-top:.5vh;
}