Mathematics
Senior High
この計算もっと早くできるような方法ありませんか?
10 × 120 + 50 × 550
15x120 + 45 x 550
1200 + 27500
1800 + 24750
2470000
26550
24
72
7² = 108 /
lod
* 100
x100
4
22³²
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