冀教版英語七上《unit6 let’s go》（lesson 45）(2)-預(yù)覽頁
【正文】 4 = 7 Three plus four equals seven. 13 + 8 = 21 Thirteen plus eight equals twentyone. 20 + 16 = 36 Twenty plus sixteen equals thirtysix. plus minus 10 – 8 = 2 Ten minus eight equals two. 47 – 22 = 25 Fortyseven minus twentytwo equals twentyfive. 59 – 19 = 40 Fiftynine minus nieen equals forty. 52 + 8 = 60 90 + 10 = 100 72 – 20 = 52 84 – 35 = 49 。
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