Mathematics
Junior High
Solved
赤線が引いてあるところがなぜ240になるのかわかりません。
説明お願いします。
15
×(-4)2
3\2
(2) (-7)?x(-2)° +64×
2
16
9
= 49×(-8)+64×-+
15
-×16°
16
4
=-392+144+240 = -8
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