(IG)(CE)
Express the following numbers as a product of their prime factors.
c 64
d 84
g 1270
h 1963
将下列数字表示为它们的质因数乘积。
c 64
d 84
g 1270
h 1963
Identify the prime numbers in each set.
a 1,2,3,4,5,6,7,8,9,10
b 50,51,52,53,54,55,56,57,58,59,60
c 95,96,97,98,99,100,101,102,103,104,105
找出每组中的质数。
a 1,2,3,4,5,6,7,8,9,10
b 50,51,52,53,54,55,56,57,58,59,60
c 95,96,97,98,99,100,101,102,103,104,105
(IG)(CE)
Write each amount as a number.
a: Three hundred and sixty-five thousand,two hundred and eighty-nine
b: Onebillion, seven hundred and three million,four hundred and seventy-three
thousand,two hundred and twelve.
将每个数额用数字表示。
a 三百六十五万二百八十九
b 一十亿七千三百万四百七十三千二百十二。