- 191÷()=()......32025-01-31
- (√45+√27)-(√4/3+√125)2025-01-31
- ()÷()=()……72025-01-31
- (σ1-σ3)f2025-01-31
- (a∧x+b∧x+c∧x)/32025-01-31
- 100²-99²+98²-97²+...+2²-12025-01-31
- x²+(y³-√x²)²=12025-01-31
- 191÷()=()......32025-01-31
- (√45+√27)-(√4/3+√125)2025-01-31
- ()÷()=()……72025-01-31
- (σ1-σ3)f2025-01-31
- (a∧x+b∧x+c∧x)/32025-01-31
- 100²-99²+98²-97²+...+2²-12025-01-31
- x²+(y³-√x²)²=12025-01-31