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a) 44+26=70
57+26=83
36+26=62
78+26=104
b)14*8= 112
25*8=200
12*8=96
21*8= 168
zad.2
70*80=5600
24000:600=40
1500*400=600000
49000000:7000=7000
5000*120=600000
480000:1200=400
zad.3
1. 1000000000
2.1000000000000
3.1000000000000
zad.4
a)0,17*10=1,7
0,019*100=1,9
13,2*100=1320
2,36*1000=2360
b)21,4:10=2,14
3,14:100=0,0314
7:1000=0,007
0,18:10000=0,000018
c)42,3:10=4,23
62,4=100=0,624
1,11:100=0,0111
0,51:1000=0,00051
zad.5
60 tys. =600
2,5 tys.= 250
1,3 mln=13.000
0,3 tys.=30
0,5mln.=5000
gwiazdki(*) to znak mnożenia