Question
The total weight of a doll and a rubik's cube is 3.3 kg. The total weight of a doll and a toy car is 4.2 kg. If the total weight of a toy car and a rubik's cube is 6.33 kg, find the total weight of the doll, the rubik's cube and the toy car.
4 m

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The total weight of a doll and a rubik's cube is 3.3 kg. The total weight of a doll and a toy car is 4.2 kg. If the total weight of a toy car and a rubik's cube is 6.33 kg, find the total weight of the doll, the rubik's cube and the toy car.