уменьшаемое - вычитаемое = разность
37-8 = 20+(17-8) = 20+9 = 29
54-7 = 40+(14-7) = 40+7 = 47
32-5 = 20+(12-5) = 20+7 = 27
34-6 = 20+(14-6) = 20+8 = 28
93-6 = 80+(13-6) = 80+7 = 87
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уменьшаемое - вычитаемое = разность
37-8 = 20+(17-8) = 20+9 = 29
54-7 = 40+(14-7) = 40+7 = 47
32-5 = 20+(12-5) = 20+7 = 27
34-6 = 20+(14-6) = 20+8 = 28
93-6 = 80+(13-6) = 80+7 = 87