42*23 = (40+2)*(20+3) = 40*20 + 40*3 + 2*20 + 2*3
= 800 + 120 + 40 + 6 = 966
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You need three numbers to apply a distributive property.
7 x 23 = (7 x 20) + (7 x 3)
6436343
just use a calculator and its 184
It is: 1/23 times 23 = 1