Jawaban:
8.4
9.-20
10.-9
11.-57
12.4
Penjelasan dengan langkah-langkah:
8.-6+10
9.-8-12
10.-23+14
11.-45+(-12)
-45-12
12.-4-7+15
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Jawaban:
8.4
9.-20
10.-9
11.-57
12.4
Penjelasan dengan langkah-langkah:
8.-6+10
9.-8-12
10.-23+14
11.-45+(-12)
-45-12
12.-4-7+15