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What is the formula table of mathematical multiplication?

The multiplication formula table is as follows:

1× 1= 1, 1×2=2, 1×3=3, 1×4=4, 1×5=5, 1×6=6, 1×7=7, 1×8=8, 1×9=9。

2×2=4,2×3=6,2×4=8,2×5= 10,2×6= 12,2×7= 14,2×8= 16,2×9= 18。

3×3=9,3×4= 12,3×5= 15,3×6= 18,3×7=2 1,3×8=24,3×9=27。

4×4= 16,4×5=20,4×6=24,4×7=28,4×8=32,4×9=36。

5×5=25,5×6=30,5×7=35,5×8=40,5×9=45。

6×6=36,6×7=42,6×8=48,6×9=54。

7×7=49,7×8=56,7×9=63。

8×8=64,8×9=72。

9×9=8 1。