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Exercise C1 and C2. 。 minus 7 multiply, times 8 divide 9 a number showing degrees 10 a percentage 11 a pair of numbers 12 equals A What do you know about… j f c b a l i d h k g e How many languages do you know? 我每天早上 7點(diǎn)鐘起床。 9= 5 8. equals 189。 , 5/8, 18/7 are fractions. A. 分?jǐn)?shù) c. 小數(shù) Question: what does “fraction” mean? 4. 3 plus 5 is 8. Question: what is 3 plus 3? 3+3= 6 5. Three subtracted from twelve is nine. . Question: what is 10 minus 5? 105= 5 Twelve minus three is nine. 6. Two times three is six. Two multiplied by three makes 6. 2 3 =6 Question: What is 20 times 8? 20 8= 160 7. 30 divided by 6 is 5. Question: what is 45 divided by 9? 45 247。 plus 6 subtrac