Ȼһµ֮ǰҪɵĿûɣҪĩдdecks (Ŀе㸴ӣΪѾ3 modelsдĸdecksǵdecksȽmodels Ľѡѷ2023Լ˾ҵչ
жҪμѧϰҲʼˡ
ΪӿҹæĸסܲĿѡ˶Ŀ衣һ£оеѣ⡣˳㿴һ£
һ⣺
Yu has 12 coins, consisting of 5 pennies, 4 nickels and 3 dimes. He tosses them all in the air. What is the probability that the total value of the coins that land heads-up is exactly 30 cents? Express your answer as a common fraction
ãѡ
: 46/2**12 23/2**11
ڶ⣺
How many ordered quintuples (a,b,c,d,e) have coordinates of values -1, 0, 1 and satisfy a+b**2+c**3+d**4+e**5=2?
ĿӢһʼûʲô˼룬֪Ŀ˼ое㸴Ҫһһ˵
𰸣3+244x6) + 28 (4x7) = 55
϶кܶѧĿʱĻһȥһЩĿ˽ѧУиеѧĿԺѧĿҲȤһСʱ뵱ʦ֮Dzǿ֤Ҳȥ־Ըʦ
жҪμѧϰҲʼˡ
ΪӿҹæĸסܲĿѡ˶Ŀ衣һ£оеѣ⡣˳㿴һ£
һ⣺
Yu has 12 coins, consisting of 5 pennies, 4 nickels and 3 dimes. He tosses them all in the air. What is the probability that the total value of the coins that land heads-up is exactly 30 cents? Express your answer as a common fraction
ãѡ
: 46/2**12 23/2**11
ڶ⣺
How many ordered quintuples (a,b,c,d,e) have coordinates of values -1, 0, 1 and satisfy a+b**2+c**3+d**4+e**5=2?
ĿӢһʼûʲô˼룬֪Ŀ˼ое㸴Ҫһһ˵
𰸣3+244x6) + 28 (4x7) = 55
϶кܶѧĿʱĻһȥһЩĿ˽ѧУиеѧĿԺѧĿҲȤһСʱ뵱ʦ֮Dzǿ֤Ҳȥ־Ըʦ
���༭ʱ��: 2023-01-30 14:14:26