問題集の印刷サイズについて

問題集の多くはB4サイズに設定しておりますが、使いたいサイズに合わせてサイズを変更して印刷することが可能です。

印刷方法の詳細は以下のページを参照下さい(^o^)

https://www.adobe.com/jp/acrobat/resources/resize-pdf.html

 

 

最新情報をチェックしよう!

document.addEventListener("DOMContentLoaded", function () { let digit = 1; let count = 5; let speed = 1000; let numbers = []; let sum = 0; let currentIndex = 0; let interval; const canvas = document.getElementById("flash-canvas"); const ctx = canvas.getContext("2d"); function updateDisplay() { document.getElementById("digit-display").textContent = digit; document.getElementById("count-display").textContent = count; document.getElementById("speed-display").textContent = speed + "ms"; } document.getElementById("digit-slider").addEventListener("input", function () { digit = parseInt(this.value); updateDisplay(); }); document.getElementById("count-slider").addEventListener("input", function () { count = parseInt(this.value); updateDisplay(); }); document.getElementById("speed-slider").addEventListener("input", function () { speed = parseInt(this.value); updateDisplay(); }); function drawNumber(number) { ctx.clearRect(0, 0, canvas.width, canvas.height); ctx.font = "50px Arial"; ctx.fillStyle = "white"; ctx.textAlign = "center"; ctx.textBaseline = "middle"; ctx.fillText(number, canvas.width / 2, canvas.height / 2); } document.getElementById("start-button").addEventListener("click", function () { numbers = []; sum = 0; currentIndex = 0; document.getElementById("result-message").textContent = ""; document.getElementById("answer-input").value = ""; for (let i = 0; i < count; i++) { let num = Math.floor(Math.random() * (10 ** digit)); numbers.push(num); sum += num; } function showNextNumber() { if (currentIndex < numbers.length) { drawNumber(numbers[currentIndex]); currentIndex++; interval = setTimeout(showNextNumber, speed); } else { ctx.clearRect(0, 0, canvas.width, canvas.height); document.getElementById("question-area").textContent = "答えを入力してください"; } } showNextNumber(); }); document.getElementById("check-answer").addEventListener("click", function () { let userAnswer = parseInt(document.getElementById("answer-input").value, 10); if (userAnswer === sum) { document.getElementById("result-message").textContent = "正解!🎉"; document.getElementById("result-message").style.color = "green"; } else { document.getElementById("result-message").textContent = "不正解 😢 正解は " + sum; document.getElementById("result-message").style.color = "red"; } }); updateDisplay(); }); #flash-canvas { background-color: black; border-radius: 10px; display: block; margin: 10px auto; } input[type="range"] { width: 100%; } button { background-color: #008CBA; color: white; padding: 10px; border: none; border-radius: 5px; cursor: pointer; } button:hover { background-color: #005f73; }