4. 1) Найди значение выражения 1.*b* при *b* = 4, *b*=79, *b*=98, *b* = 100.

1. $$b = 4$$ $$1 \cdot 4 = 4$$ 2. $$b = 79$$ $$1 \cdot 79 = 79$$ 3. $$b = 98$$ $$1 \cdot 98 = 98$$ 4. $$b = 100$$ $$1 \cdot 100 = 100$$