Question
3720 3842 ? 4092 4220
4350Solution
612 – 1 = 3721 – 1 = 3720 622 – 2 = 3844 – 2 = 3842 632 – 3 = 3969 – 3 = 3966 642 - 4 = 4096 – 4 = 4092 652 – 5 = 4225 – 5 = 4220 662 – 6 = 4356 – 6 = 4350
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