
MATEMATIKA
Presentation
•
Mathematics
•
2nd Grade
•
Hard
Dean Subekti
Used 1+ times
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5 Slides • 0 Questions
1
MATEMATIKA
by Dean Subekti, S.Pd
2
PENJUMLAHAN & PENGURANGAN
PERKALIAN & PEMBAGIAN
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PENJUMLAHAN
Penjumlahan merupakan penambahan sekelompok bilangan atau lebih menjadi suatu bilangan yang disebut jumlah. Misalnya di gambar di samping, terdapat tiga apel di sisi kiri dan dua apel di sisi kanan, menghasilkan jumlah lima apel. Dalam simbol matematika, ini dilambangkan "3 + 2 = 5", disebut "3 ditambah 2 sama dengan 5".
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PENGURANGAN
Pengurangan ditandai dengan tanda minus, −. Misalnya, pada gambar di sebelahnya, 5 − 2 buah persik—artinya 5 buah persik dengan 2 buah yang diambil, menghasilkan total 3 buah persik. Oleh karena itu, selisih dari 5 dan 2 adalah 3; yaitu, 5 − 2 = 3.
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LATIHAN
1. 5 + 7 =
2. 8 + 5 =
3. 11 + 8 =
4. 12 + 8 =
5. 13 + 9 =
MATEMATIKA
by Dean Subekti, S.Pd
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