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a) 50000+3000+700+40+1=53741
b)
60000+200+30=60230
c)
70000+3000+200+70+8=73278
d)
4000000+3000+20+5=4003025
2.2(w nawiasie potega)
3*10(2)+2*10+1
4*10(3)+3*10(2)+2*10+1
5*10(4)+6*10(3)+7*10(2)+8*10+9
2*10+5
1*10(3)+3*10(2)+5
2*10(3)+4
7*10(4)+2*10(2)+3
2.3
a)
1,5
0,4
3,35
-3,(148)
0,2(4)
-0,13(8)
3,(108)
b)
0,75
0,625
0,8(6)
0,85
0,(4)
12,8(3)
-3,0(769230)
2,4
a)
-2 7/9
11 1/3
-7 8/9
17 5/9
b)
2 6/25
7/45
13 11/45
1 2/9
c)
3 1/6
-2 1/100
2.5
a) 5,(9)
b)3,(9)
c)7,(9)
d)1,(9)