Read Edit View history 四则运算 sìzéyùnsuàn four operations Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 四则运算/四則運算 · sìzéyùnsuàn · four operations 2026/03/04 四则运算 / 四則運算 sìzéyùnsuàn four operations the four basic operations of arithmetic (addition, subtraction, multiplication and division) 小学生首先要掌握整数的四则运算。 created sense Mar 4, 2026, 02:25 AM