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- Multiple ChoicePlease save your changes before editing any questions.X+X+X+X+XX + 55XX+X+X+X+X+5X to the 5th power
- Multiple ChoicePlease save your changes before editing any questions.a + a + a + aa + 44aa to the fourth power4a + 4
- Multiple ChoicePlease save your changes before editing any questions.y + x + y + y + x2 + 3x + y2x + 3y5xy
- Multiple ChoicePlease save your changes before editing any questions.2r + 2 + 5r - 2 + r8r8r - 412r7r + 4 + r
- Multiple ChoicePlease save your changes before editing any questions.6x + 1 + 7x13x - 114x7x + 6x + 113x + 1
- Multiple ChoicePlease save your changes before editing any questions.3 + 12c - 4c16c + 38c + 35c8c
- Multiple ChoicePlease save your changes before editing any questions.6x + 2x8x12x812
- Multiple ChoicePlease save your changes before editing any questions.3 + 5x + 45x ∙ 712x35x5x + 7
- Multiple ChoicePlease save your changes before editing any questions.4x + 3 + 7x14x11x + 328x + 311x - 3
- Multiple ChoicePlease save your changes before editing any questions.5z - 4z1z9z20z0