2. contoh hasil dari 7/2 + 12 – 30 × minus1/2
Tolong di jawab dengan caranya ya kak
1. tentukan hasil bilangan dari -26 + 8 – 9 adalah…
Jawaban:
1. -26 + 8 – 9 = -18-9
= -27
2. 7/5 + 12 – 30 × -½ = 7/5 + 12 – ( 30× -½)
= 7/5 + 12 – (-30/2)
= 1.4+ 12 – (-15)
= 13.4+ 15
= 28.4
Jawaban:
1. –26 + 8 – 9
= –18 – 9
= –27
2. 7/5 + 12 – 30 × –1/2
= 7/5 + 12 – ( 30 × –1/2)
= 7/5 + 12 – (–15)
= 7/5 + 12 + 15
= 7/5 + 60/5 + 75/5
= 142/5
= 28 2/5