.math-problems {display: flex;flex-wrap: wrap;gap: 1em 0.5em;justify-content: flex-start;padding: 1em 0;flex-direction: row;font-size:12px;}


.direction_header73 { display: flex;justify-content: center;margin: 20px 0;width:100%;}
.direction_container73 {display: flex;justify-content: center;gap: 20px;}
.direction_box73 {width: 100px;height: 100px;border: 2px solid #000;border-radius: 10px;display: flex;flex-direction: column;align-items: center;justify-content: center;position: relative;}
.direction_box73 .text {padding-top: 40px;font-size: 40px;font-family: Arial, sans-serif;}
.dd_box73 {flex: 1;display: flex;align-items: center;justify-content: center;margin: 2px 0;}
.dd_num73_1 { padding: 5px; }
.dd_num73_2 { padding: 5px; transform: scaleX(-1); }
.dd_box73 img { padding: 10px 0;}
.dd_box73 img.as {border-radius: 10px;}
.dd_box73 img.left-circle {border: 5px solid #c00;  border-radius: 70px;}
.dd_box73 img.right-circle {border: 5px solid #09c;  border-radius: 70px;}
.direction_counts73 {background-color: #f8f8f8;border: 1px solid #ddd;border-radius: 8px;padding: 15px;margin: 10px auto;max-width: 150px;font-family: Arial, sans-serif;text-align: center;}
.arrowicon73 {margin-top: -50px;}

.direction_header89 { display: flex;justify-content: center;margin: 20px 0;width:100%;}
.direction_container89 {display: flex;justify-content: center;gap: 20px;}
.direction_box89 {width: 100px;height: 100px;border: 2px solid #000;border-radius: 10px;display: flex;flex-direction: column;align-items: center;justify-content: center;position: relative;}
.direction_box89 .text {padding-top: 40px;font-size: 40px;font-family: Arial, sans-serif;}
.dd_box89 {flex: 1;display: flex;align-items: center;justify-content: center;margin: 2px 0;}
.dd_num89_1 { padding: 2px; }
.dd_num89_2 { padding: 2px; transform: scaleX(-1); }
.dd_box89 img { padding: 15px 5px;}
.dd_box89 img.as {border-radius: 10px;}
.dd_box89 img.left-circle {border: 5px solid #c00;  border-radius: 70px;}
.dd_box89 img.right-circle {border: 5px solid #09c;  border-radius: 70px;}
.direction_counts89 {background-color: #f8f8f8;border: 1px solid #ddd;border-radius: 8px;padding: 15px;margin: 10px auto;max-width: 150px;font-family: Arial, sans-serif;text-align: center;}
.arrowicon89 {margin-top: -50px;}