1．加：用and ,plus , added to 等词表示。 2 ＋ 4 ＝ 6 可译为： Two and four is six . Two plus four is equal to six . Two added to four equals six . Two and four makes six . Two plus four will be six . If you add two to four , you get six .   2．减：用minus, taken from, subtracted from 等表示。 8－3=可译为： Eight minus three is five . Eight minus three is equal to five . Three taken from eight leaves five . Three subtracted from eight leaves five . Take three from eight and the remainder is five .   3．乘：用multiply···by···/ multiplied by / time 等表示。 3 × 5 = 15可译为： Multiply three by five is (gives)fifteen . Three multiplied by five is fifteen . Multiply three by five , you get fifteen . Three times five is (makes, will be , equals, is equal to ) fifteen .   4．除：用divide···by···/ divided by / divide···into··· / into 等表示。 24 ÷ 8 = 3 可译为： Twenty-four divided by eight makes (is , equals ) three . Twenty-four divided by eight is equal to three . Eight into twenty-four goes three times . Divide eight into twenty-four , and you get three . Divide twenty-four by eight , and you get three

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