Răspuns:
2,3•2=4,6
0,21•3=0,63
1,21•1,2=1,452
5,2•2=10,4
10,7•3=32,1
2,31•0,25=0,5775
4,9•7=34,3
2,2•11=24,2
32,2•2,3=74.06
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