fas fa-calculator		试一试
	fas fa-divide		试一试
	fas fa-equals		试一试
	fas fa-greater-than		试一试
	fas fa-greater-than-equal		试一试
	fas fa-infinity		试一试
	fas fa-less-than		试一试
	fas fa-less-than-equal		试一试
	fas fa-minus		试一试
	fas fa-not-equal		试一试
	fas fa-percentage		试一试
	fas fa-plus		试一试
	fas fa-square-root-alt		试一试
	fas fa-subscript		试一试
	fas fa-superscript		试一试
	fas fa-times		试一试