feat:2.6.3 破十法、平十法、借十法

miniprogram/mathPages/shared/service/makeTenDraw.ts

@@ -59,7 +59,7 @@ class MakeTenDraw extends BaseDrawService {
     private drawMnemonic() {
         const { ctx, canvasWidth } = this;
         const mnemonic = '看大数，拆小数，凑成10，加剩数';
-        const fontSize = 28; // 适合小朋友的字体大小
+        const fontSize = 24; // 适合小朋友的字体大小
 
         // 使用适合小朋友的字体
         ctx.font = `bold ${fontSize}px "YouYuan", "PingFang SC", "Microsoft Yahei", sans-serif`;
@@ -222,7 +222,7 @@ class MakeTenDraw extends BaseDrawService {
         ctx.lineTo(rightNodeX + boxSize / 2, secondLayerY);
         ctx.stroke();
 
-        const thirdLayerY = secondLayerY + boxSize + verticalSpacing + 10;
+        const thirdLayerY = secondLayerY + boxSize + verticalSpacing + 15;
 
         let bigBoxX = 0;
         let bigBoxCenterX = 0;
@@ -296,7 +296,7 @@ class MakeTenDraw extends BaseDrawService {
         ctx.stroke();
 
         // 在第二层另一个方框和第三层方框之间的折线中间绘制加号
-        this.drawSymbol(secondPlusX, thirdLayerY + 3, '+', 12);
+        this.drawSymbol(secondPlusX, thirdLayerY + 2, '+', 12);
     }
 
     /**