WCBSS 2019-2020 F1 Summer

計算Calculate  4 – 0 × 3 + 12

• 13

• 16

• 19

• 24

22的第五個倍數是

The fifth multiple of 22 is

• 1

• 11

• 22

• 110

16的所有因數是

All the factors of 16 are

• 1,16

• 1,2,8,16

• 1,2,4,8,16

• 1,2,4,6,8,10,12,16

24,32 的H.C.F.是

The H.C.F. of 24,32 is

• 2

• 4

• 8

• 96

72,180的L.C.M.是

The L.C.M. of 72,180 is

• 360

• 72

• 18

• 2

下列何者不是91的因數？Which of the following is not a factor of 91?

• 1

• 7

• 13

• 17

下列何者不是質數？Which of the following is not a prime number?

• 23

• 43

• 63

• 83

下列哪個算式的結果與其他的不同？

Which of the following arithmetic expression has a result different from the others?

• 19 – 12 $\div$ 6 – 3

• (13 – 7) × 2 + 3

• 12 + 21 $\div$ 7

• 25 – (4 + 3 × 2)

 $\frac{4}{13}+\frac{6}{13}=$  

•  $\frac{10}{13}$  

•  $\frac{10}{26}$  

•  $\frac{5}{13}$  

•  $\frac{46}{26}$  

 $\frac{4}{7}\div\frac{16}{21}$  

•  $\frac{20}{28}$  

•  $\frac{3}{4}$  

•  $\frac{1}{12}$  

•  $\frac{64}{147}$