解一元一次线性方程（二）

GeoGebra 命令及参数

1. Random(1, 10) → r_{oo}
2. Element({-5, -4, -3, -2, -1, 1, 2, 3, 4, 5, 6}, r_{oo}) → r0
3. If(count < startbothsidesx, If[count < 2, 1, If[count < 3, RandomElement[{2, -2}], RandomElement[{-3, -2, 2, 3}]]], RandomElement[{-9, -8, -7, -6, -5, -4, -3, -2, -1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}]) → r1
4. RandomElement({-9, -8, -7, -6, -5, -4, -3, -2, -1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}) → r2
5. If(count < startbothsidesx, If[count < startrightsidex, 0, (-r1)], RandomElement[{-9, -8, -7, -6, -5, -4, -3, -2, -1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}]) → r3
6. Simplify(g_3(x) + If[Element[listEqn1LCoeff, 1] < 0, (abs(Element[listEqn1LCoeff, 1]) * x), ((-abs(Element[listEqn1LCoeff, 1])) * x)]) → g_{2s}
7. Simplify(f_3(x) + If[Element[listEqn1LCoeff, 1] < 0, (abs(Element[listEqn1LCoeff, 1]) * x), ((-abs(Element[listEqn1LCoeff, 1])) * x)]) → f_{2s}
8. If(showsteps ≟ true, 10 - display, 1) → step
9. Textfield(answerx) → inputBox1Answer
10. If(answerx ≟ g(0), 1, 0) → correct
11. If(showsteps ≟ true, 10, 1) → stepsvalue
12. Textfield(operatebothsidesvalue) → inputBox2Operatebothsidesvalue
13. If(Element[listEqn1LCoeff, 1] < Element[listEqn1RCoeff, 1], true, false) → s
14. Simplify(g_{2s}(x) + If[Element[listEqn1RCoeff, 2] < 0, abs(Element[listEqn1RCoeff, 2]), (-abs(Element[listEqn1RCoeff, 2]))]) → g_{1s}
15. Simplify(f_{2s}(x) + If[Element[listEqn1RCoeff, 2] < 0, abs(Element[listEqn1RCoeff, 2]), (-abs(Element[listEqn1RCoeff, 2]))]) → f_{1s}
16. Coefficients(g_{2s}) → listEqn2RCoeffS
17. Length(listEqn2RCoeffS) → lengthlistEqn2RCoeff
18. Coefficients(f_{2s}) → listEqn2LCoeffS
19. Length(listEqn2LCoeffS) → lengthlistEqn2LCoeff
20. Element(listEqn2RCoeffS, lengthlistEqn2RCoeff) → r2S
21. If(abs(r1) ≟ 1, true, false) → skip7on