[数] 假分数;可约分数

by Jason Marshall A few months ago we talked about how to multiply fractions. Now that were comfortable doing this and weve talked about a few applications of multiplying fractions such as how to convert units and how to estimate how fast someone is

发表于:2018-12-07 / 阅读(48) / 评论(0) 分类 数学英语

by Jason Marshall In the last article, Is Multiplication Repeated Addition? we talked about what it really means to multiply two numbers. We found that the conventional meaning of multiplicationrepeated additionbreaks down when multiplying fractions,

发表于:2018-12-07 / 阅读(46) / 评论(0) 分类 数学英语

by Jason Marshall In the last episode, we talked about exactly what decimal points and decimal numbers are, and why they are so convenient to use. In the next few weeks were going to continue talking about decimals and their place in the world of mat

发表于:2018-12-07 / 阅读(44) / 评论(0) 分类 数学英语

图片1 图片2 by Jason Marshall Do you frequently find yourself at restaurants with friends fumbling to figure out how to split the bill and calculate the tip? Have you ever resorted to seeking advice from your smart phone? Dont worry, we all have.

发表于:2019-01-02 / 阅读(120) / 评论(0) 分类 数学英语

Which is correct: A dozen eggs is? Or A dozen eggs are? 哪个是正确的:a dozen eggs 'is' 还是 a dozen eggs 'are'? I remember being in elementary school, and my teachers making a big deal about the unit. 我记得上小学的时候,我们老

发表于:2019-01-17 / 阅读(51) / 评论(0) 分类 TED演讲教育篇

Back in 2003, the UK government carried out a survey. 早在2003年,英国政府进行了一项调查。 And it was a survey that measured levels of numeracy in the population. 目的是了解国民的算术能力。 And they were shocked to find o

发表于:2019-02-14 / 阅读(51) / 评论(0) 分类 TED演讲科学篇
学英语单词
alcohol amine
ancient-soul
animal-human
anomeric carbon
apparent steady state
arrangin'
audioning
bark painting
Benedict's picrate method
big league
biophotoelement
burocrat
cedent
cerebropathia psychica toxemica
circle jerk
colored light
community coordinated child care
complaisance
CONAG (combined nuclear and gas turbine)
contactless ring
contract for feasts
core-periphery theory
decumanal
domestic trade
dorso-posterior
double-J groove weld
DROMDI
embarrassingly parallel
Entoucas
environmental resources
fail-close
failure diagnose time
gallosh
garnishee proceedings
generalized microstatement
genetic microbial
ghosties
gollopping
Grosse Pte.
guilt-ridden
Hevellius's parhelia
holorac-hischisis
hrebaceous
Hron
hypersonic glider
hypurapophysis
in one's head
in the mean
in the nature of things
intermitten schedule of reinforcement
interspread gang punching
john edward masefields
logical term
magnetic battery
make time to
marginalistically
Marie-Strumpell disease
model hardener
mountain beavers
multiple box on both sides
nepomuceno
no hope
non-greens
nonwedding
norway spruces
Nucleus centromedianus
output control
Oxyephedrine
parrocel
point-of-purchase advertisement
political sociologist
porella vernicosa
primitive mammals
programming implementation
proselytization
protective inport duty
pseudomerism
reproducing stylus
reversible camshaft
saline enema
sanitizings
sarsaparilla fluidextract
Schulen
seafly
secondary-emission ratio
sheep-shears
shettlestons
skrogs
steam (-jet) exhauster
subgod
system call
technology-enabled
telltale clock
time beings
to set course to
topographical reconnaissance
transosonde
travellour
unilateral weighting
valve casing cover
with a bounce
zincsmiths