6. 7*3-7 3*5+3 2*7-5 37 + 6 + 14 5 + 25 + 18 48 + 7 + 13 2.8 2.9 9.2 15:5 18:9 21:7

Выполним вычисления: * $$7 \cdot 3 - 7 = 21 - 7 = 14$$ * $$3 \cdot 5 + 3 = 15 + 3 = 18$$ * $$2 \cdot 7 - 5 = 14 - 5 = 9$$ * $$37 + 6 + 14 = 43 + 14 = 57$$ * $$5 + 25 + 18 = 30 + 18 = 48$$ * $$48 + 7 + 13 = 55 + 13 = 68$$ * $$2 \cdot 8 = 16$$ * $$2 \cdot 9 = 18$$ * $$9 \cdot 2 = 18$$ * $$15 : 5 = 3$$ * $$18 : 9 = 2$$ * $$21 : 7 = 3$$