一、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 . 二、减:用 minus、taken from、subtracted from 等表示。 8-3=5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 . 三、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 . 四、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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