The report shows learning progress in percentage (0% - not learned, 100% - learned perfectly).

There are three two levels of the report.

**Removing parentheses**

Level 1 problems progress: 46%

Level 2 problems progress: 5%

Level 3 problems progress: 3%

**Removing parentheses**

(A+B)xC | 100% | Ax(B+C) | 100% | (A-B)xC | 85% | ||
---|---|---|---|---|---|---|---|

Ax(B-C) | 100% | (A+B)÷C | 100% | A÷(B+C) | 100% | ||

(A-B)÷C | 100% | A÷(B-C) | 100% | (AxB)xC | 100% | ||

Ax(BxC) | 100% | (A÷B)xC | 100% | Ax(B÷C) | 100% | ||

(AxB)÷C | 100% | A÷(BxC) | 100% | (A÷B)÷C | 100% | ||

A÷(B÷C) | 100% | (A+B)+C | 99% | A+(B+C) | 100% | ||

(A-B)+C | 100% | A+(B-C) | 100% | (A+B)-C | 100% | ||

A-(B+C) | 85% | (A-B)-C | 100% | A-(B-C) | 100% |

(A+B-C)xD | 0% | (AxB+C)xD | 0% | (A÷B+C)xD | 0% | ||
---|---|---|---|---|---|---|---|

(AxB-C)xD | 0% | (A÷B-C)xD | 25% | (A+B-C)÷D | 0% | ||

(AxB+C)÷D | 0% | (A÷B+C)÷D | 0% | (AxB-C)÷D | 0% | ||

(A÷B-C)÷D | 25% | Ax(B+C-D) | 0% | Ax(B-CxD) | 25% | ||

A÷(B+C-D) | 0% | A÷(B-CxD) | 0% | A-(B-C)xD | 0% | ||

(A-B)-CxD | 0% | A+Bx(C-D) | 25% | A-Bx(C-D) | 25% | ||

A-Bx(C+D) | 0% | A-B÷(C+D) | 0% | (A-B)÷C+D | 0% | ||

(A+B)÷C-D | 0% | (AxB)÷C+D | 0% | (A÷B)÷C-D | 0% | ||

Ax(BxC)÷D | 0% | A÷(BxC)÷D | 0% | A÷(B÷C)xD | 0% | ||

A÷(B÷C)-DxA | 0% | A÷(B÷CxD) | 0% | A÷(B+C)xD | 0% | ||

A+(B-C)-D | 0% | A-(B-C)-D | 0% | A-(B-C-D) | 0% | ||

A-(B+C-D) | 0% | A-(B-C-D) | 0% |

(AxB+C)-(D-E) | 0% | (A+B)÷C-(D+E) | 25% | A+B÷(C+DxE) | 0% | ||
---|---|---|---|---|---|---|---|

A+Bx(C+DxE) | 0% | AxB-(C+D÷E) | 0% | AxB+(C+DxE) | 0% | ||

A÷Bx(C-D÷E) | 0% | A-B÷(C÷DxE) | 25% | (A+B)-(B-C)÷D | 0% | ||

(A-B)xD-(B+C)÷D | 0% | (A-B)xD-B÷(C-D) | 0% | (A+B)xD+B÷(C-D) | 25% | ||

(A-B+C)÷(DxE) | 0% | (A-B+C)÷(D÷E) | 0% | (A+B-C)x(D÷E) | 0% | ||

(A+B)x(C+D) | 0% | (A-B)x(C+D) | 0% | (A+B)x(C-D) | 0% | ||

(A-B)x(C-D) | 0% | A-(B-C)x(D-E) | 0% | (A+B)÷(C+D) | 0% | ||

(A-B)÷(C+D) | 0% |