1) 20 – 19,5 19 – 18,5 … 2 – 1,5 1 – 0,5; 2) 30,2 – 29,2 28,2 – 27,2 … 4,2 – 3,2 2,2 – 1,2. + 0 =
0 0
1 + 0 =
0
1 =
+ 0·0 =
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1) 20 – 19,5 19 – 18,5 … 2 – 1,5 1 – 0,5; 2) 30,2 – 29,2 28,2 – 27,2 … 4,2 – 3,2 2,2 – 1,2. + 0 =
0 0
1 + 0 =
0
1 =
0
+ 0·0 =
0
0