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問題5の12のように、表の中に4回出てくる答えを、すでに示されている18と12以外に、あと4つ見つけて書き出す問題です。

九九計算パターン認識
2025/3/10

The problem is to find the values of $x$ and $y$ in the given right triangle. We are given that the ...

TrigonometryRight TrianglesSineCosine
2025/3/10

The problem presents a right triangle with one angle of 45 degrees. The hypotenuse is labeled as 12 ...

Right Triangle45-45-90 TriangleIsosceles TriangleSide LengthsRatioRationalizing the Denominator
2025/3/10

与えられた無限級数 $\sum_{n=1}^{\infty} \frac{6^n + 2^n}{8^n}$ の値を求める問題です。

無限級数等比級数数列
2025/3/10

We have a right triangle with a hypotenuse of 12 cm and one angle measuring 45 degrees. We need to f...

Right TriangleTrigonometry45-45-90 TriangleSineCosine
2025/3/10

Given that $\alpha$ and $\beta$ are the roots of the quadratic equation $x^2 + 2x - 4 = 0$, we need ...

Quadratic EquationsRoots of EquationVieta's Formulas
2025/3/10

The problem asks us to find the value of $x$ in the given right triangle, where the hypotenuse is 12...

Right TrianglePythagorean TheoremTrigonometryIsosceles Triangle45-45-90 Triangle
2025/3/10

問題は3つあります。 1つ目は、1個48円のチョコレートが1箱に8個入っており、それを5箱買うときの代金を求める問題です。 2つ目は、鉛筆が56本あり、2年生3人と3年生4人に同じ数ずつ配ると、1人何...

四則演算文章題数量関係
2025/3/10

We are given a right triangle with a hypotenuse of 12 cm and one angle measuring 45 degrees. We need...

Right TriangleTrigonometrySine45-45-90 Triangle
2025/3/10

The problem is to find the length of the side $x$ opposite to the $45^{\circ}$ angle in a right tria...

TrigonometryRight TriangleSine45-45-90 Triangle
2025/3/10