Jawaban:
a.(-1)
b.(-11)
Penjelasan dengan langkah-langkah:
a.25÷(-5)+42÷(-7)-(-10)=
(-5)+(-6)-(-10)=
-11-(-10)=
-11+10= -1
b.-81÷(-9)+30÷(-6)×4=
9+(-5)×4=
9+(-20)=
-11
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Jawaban:
a.(-1)
b.(-11)
Penjelasan dengan langkah-langkah:
a.25÷(-5)+42÷(-7)-(-10)=
(-5)+(-6)-(-10)=
-11-(-10)=
-11+10= -1
b.-81÷(-9)+30÷(-6)×4=
9+(-5)×4=
9+(-20)=
-11