halo,aku mau nyanih cara nomor 1-5 gimana ya

♧ Mapel : Matematika
♧ Tingkat : SD
♧ Materi Campuran~
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Jawaban berupa lampiran
Maaf tulisan jelek :)

Hallo juga dek :)v

✴ Matematich - Campuran

Jawaban :

1. - 18 - 7 + 5
= - 25 + 5
= - 20°C ✔

2. - 140 ÷ 14 × ( - 5 )
= ( - 140 ÷ 14 ) × ( - 5 )
= - 10 × ( - 5 )
= 50 ✔

3.

60 = 2² × 3 × 5
80 = 2^4 × 5
90 = 2 × 3² × 5

KPK = 2^4 × 3² × 5
KPK = 720 ✔

4.

8 = 2³
6 = 2 × 3
12 = 2² × 3

KPK = 2³ × 3 = 24 hari lagi

14 September 2017
24
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38 September 2017

Bulan september berdasarkan rumus matematika ada 30 hari

38 September 2017
30
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8 Oktober 2017 ✔

5.

35² - 24²
= 1.225 - 576
= 649 ✔

Semoga terbantu ya, Dek :)v