一元一次方程的加法与减法求解

GeoGebra 命令及参数

1. Random(1, 4) → m
2. UnicodeToLetter(10007) → xmark
3. UnicodeToLetter(10003) → cmark
4. Random(1, 4) → leftOperand
5. Polygon(A, leftScaleRegionCorner, C, D) → leftScaleRegion, a, b, c, d
6. Polygon(I, rightScaleRegionCorner, K, L) → rightScaleRegion, i, j, k, l
7. Join({Sequence[C + ((-1.8 * i), 0), i, 1, Min[numWeightsLeft, 4]], Sequence[C + ((-1.8 * i), 1.5), i, 1, Min[numWeightsLeft - 4, 4]]}) → leftRegionWeightCorners
8. Join({Sequence[K + ((-1.8 * i), 0), i, 1, Min[numWeightsRight, 4]], Sequence[K + ((-1.8 * i), 1.5), i, 1, Min[numWeightsRight - 4, 4]]}) → rightRegionWeightCorners
9. Sequence(leftScaleRegionCorner + ((2 * i), 0), i, 0, Min[numBagsLeft, 1] - 1) → leftRegionBagCorners
10. Sequence(rightScaleRegionCorner + ((2 * i), 0), i, 0, Min[numBagsRight, 1] - 1) → rightRegionBagCorners
11. LaTeX("\text{\textbf{Instructions: }Use the buttons on either side of the scale to add and remove bags and\\weights. Start by representing the given equation. Then, try to isolate a bag on one\\side of the scale while keeping the scale balanced.}") → SpecInstruc
12. Textfield(answerText) → answerBox
13. LaTeX("\text{The weight of the money bag is }m=") → answerLine
14. LaTeX("\text{\textbf{Question: }What is the weight of the money bag?}") → MainInstruc
15. LaTeX("\text{Please enter the weight of the money bag.}") → remember