1) 1,8:15=0,12
2,3-11= - 8,7
8,7+0,12=8,82
2) 6,25-16= - 9,75
18,9-21= - 2,1
-9,75+ (-2,1)= - 11,85
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Answers & Comments
1) 1,8:15=0,12
2,3-11= - 8,7
8,7+0,12=8,82
2) 6,25-16= - 9,75
18,9-21= - 2,1
-9,75+ (-2,1)= - 11,85