issue 107
the most effective way for managers to assign work is to divide complex tasks into their simpler components parts.
Argument:10
this past winter, 200 students from Waymarsh...
math:
1: 3^21+3^22+3^23=? (一开始记错了)
2: 1. 某人在银行存了20000$, 年利率固定,并在每季度末计算利息,按复利计算,问第一季度的利息是多少?
a,第二季度末的利息比第一季度末的利息多1%
b,第二季度末的利息比第一季度末的利息多2$
答案, 设季度利率为p,则20000p(1+p)-2000p=2,可求出p=0.01 同理a也可得出该
3: A plane reflects 80% light. The cloud above the plane absorbs 40% light reflected by a plane, 问透过云层的光占几分之几. Answer:0.8*0.6=0.48
4: X.Y.Z三个数都连续奇数,X2(X的平方)+Y2+Z2=515. 求X+Y+Z=?
(1)33 (2) 39 (3)45 (4) 50 (5) 57
答案39
5:.有一个小数,它有6位非零的数,求这个数是不是大于1000?
(1) 小数点右边有小于三位的非零的数
(2) 小数点左边有大于三位的非零的数