(IG)(CE)
Which is colder in each pair of temperatures?(在每一组温度中,哪一个更低?)
a 0℃ or-2℃
b 9℃ or-9℃
C - 4℃ or-12℃
(IG)(CE)
If the temperature is 4℃in the evening and it drops 7℃ overnight,what will the temperature be in the morning?
如果傍晚气温是4℃,夜间下降了7℃,那么早晨的气温会是多少?
(IG)(CE)
Find the LCM of the following numbers by using prime factors(利用质因数求下列数字的最小公倍数).
c 96 and 27
d 53 and 16
b 85 and 15
f 234 and 66
g 550 and 128
h 315 and 275
(IG)(CE)
Find the HCF of the following numbers by using prime factors(利用质因数分解求下列数的最大公因数).
c 96 and 27
d 53 and 16
b 85 and 15
f 234 and 66
g 550 and 128
h 315 and 275