2+3=8
3+7=27
4+5=32
5+8=69
6+7=72
7+8=??
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2+3=8=>3×2+2×1=6+2=8
3+7=27=>7×3+3×2=21+6=27
4+5=32=>5×4+4×3=20+12=32
5+8=60=>8×5+5×4=40+20=60
6+7=72=>7×6+6×5=42+30=72
7+8=98=>8×7+7×6=56+42=98
Note : I think 5+8 =60 not 69
3+7=27=>7×3+3×2=21+6=27
4+5=32=>5×4+4×3=20+12=32
5+8=60=>8×5+5×4=40+20=60
6+7=72=>7×6+6×5=42+30=72
7+8=98=>8×7+7×6=56+42=98
Note : I think 5+8 =60 not 69
shiva3618:
plz.. give me thanks in math..
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