Question
The total weight of a toy mask and a frisbee is 3.3 kg. The total weight of a toy mask and a toy plane is 4.6 kg. If the total weight of a toy plane and a frisbee is 6.31 kg, find the total weight of the toy mask, the frisbee and the toy plane.
4 m

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The total weight of a toy mask and a frisbee is 3.3 kg. The total weight of a toy mask and a toy plane is 4.6 kg. If the total weight of a toy plane and a frisbee is 6.31 kg, find the total weight of the toy mask, the frisbee and the toy plane.