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Maichiro
Maichiro
Maichiro
32 は three squared といいます。square は正方形を意味します。
32 = 9
Three squared is nine.
42 = 16
Four squared is sixteen.
52 = 25
Five squared is twenty five.
23 は two cubed といいます。cube は立方体を意味します。
33 = 27
Three cubed is twenty seven.
43 = 64
Four cubed is sixty four.
53 = 125
Five cubed is one hundred twenty five.
4 乗以降は to the ?th power となります。4 乗では to the fourth power、5 乗では to the fifth power と表現します。
24 = 16
Two to the fourth power is sixteen.
34 = 81
Three to the fourth power is eighty one.
44 = 256
Four to the fourth power is two hundred fifty-six.
〜（マイナス）乗は次のようにいいます。
to the minus ...
to the power of minus ...
5-3 five to the minus three
5-4 five to the power of minus four
5-3 = -125
Five to the minus three is minus one hundred twenty-five.
「4 の 2 乗はいくつですか？」は What is four squared? です。
3 の 2 乗はいくつですか？
What is three squared?
4 の 3 乗はいくつですか？
What is four cubed?
