1. 2,6•3,4=8,84
7.8•5,12=39,936
0.27•1,8=0,486
0,012•0,35=0,0042
2.5,7•4,2=23,94
9,7•8,27=80,219
0,38•4,7=1,786
0,0035•0,24=0,00084
3. (4,125-1,6)•(0,12+7,3)=2,525•7,24=18,7355
4.(0,22+4,3)•(7,225-3,6)=4,52•3,625=16,385
5.9,54•10=95,4
9,54•0,1=0,954
9,54•100=954
9,54•0,01=0,0954
9,54•1000=9540
9,54•0,001=0,00954
6. 8,27•10=82,7
8,27•0,1=0,827
8,27•100=827
8,27•0,01=0,0827
8,27•1000=8270
8,27•0,001=0,00827