辣椒与泡菜~
A formula is a group of letters, numbers, or other symbols which represents a scientific or mathematical rule. formula是公式 An equation is a mathematical statement saying that two amounts or values are the same equation是等式
caroline2900
formula英 [ˈfɔ:mjələ] 美 [ˈfɔ:rmjələ] n.公式,准则;客套话;方案;婴儿食品复数: formulas formulae
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