Question

va rog dau coroaba urgent ex 2,3,5,8

Answer 1

ex 8 a)F 104890:75=1398.5333...
B)A 3|8325 8325:3=2775
C)F(125:25+7)|29=2.416666...
D)A[(3175-275)×10]:(9×11+1)=29000:100=290
ex5 a)D4={1,2,4}improp.-1,4; prop-2
b)D10={1,2,5,10}improp-1,10; propr.-2,5
c)D11={1,11} improp- 1,11
d)D21={1,3,7,21} improp-1,21; propr-3,7
e) D35={1,5,7,35}improp-1,35; prop-5,7
ex.3
a)D12={1,2,3,4,6,12}
b)D13={1,13}
c)D20={1,2,4,5,10,20}
d)D25={1,5,25}
e)D36={1,2,3,4,9,12,18,36}
f)D27={1,3,9,27}
ex2
a)77:7; ( : inseamna divide)
b)18|36
c)169:13
d)0|81
e)100:0
f) 10 la a2 | 10 la a4
g)1300 la a2 :100
h)1000|1400 la a2
Coroana?