Materi : Satuan dan Bilangan
130 + 90 + 70 = 70 + 90 + 130
[ Komutatif Penjumlahan ]
220 + 70 = 70 + 220
290 = 290
Semoga bisa membantu
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Materi : Satuan dan Bilangan
130 + 90 + 70 = 70 + 90 + 130
[ Komutatif Penjumlahan ]
220 + 70 = 70 + 220
290 = 290
Semoga bisa membantu