2+3+4+5=12,3+4+5+6=36,4+5+6+7=84,5+6+7+8=?
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Answer:
168
Step-by-step explanation:
2+3+4+5=12
2×3×4×5=120
120/10 =12
3+4+5+6=36
3×4×5×6=360
360/10 =36
4+5+6+7=84
4×5×6×7=840
840/10 =84
in this way
5×6×7×8=1680
1680/10 =168
so
5+6+7+8=168
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