Chemistry lesson, topic – iron, at the blackboard – Vovochka. Marvanna asks: “Te

Chemistry lesson, topic
– iron, at the blackboard
– Vovochka. Marvanna asks: “Tell me, what is the process of iron corrosion?”
– Iron becomes covered with rust.
– Can you write the reaction equation?
– I can’t…
– What does rust consist of?
– I don’t know…
– Okay, let’s go together. Write Fe(OH)3…
– Vovochka writes on the board:
– FeOFeOFeO.
– Horror ! What did you write here?
– They themselves said FeO… three times…

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Marya Ivanovna calls Vovochka to the board and writes the task: 6+3*7=? Vovochka

Marya Ivanovna calls Vovochka to the board and writes the task: 6+3*7=? Vovochka hesitated for five minutes and said: “I don’t know…” “A bad mark and you stay for the second year!”
– Marya Ivanovna, let’s do this: if you don’t solve my problem, then give me a 3 with a minus, and if you do, then so be it
– I’ll stay for the second year!
– Am I the one who won’t solve your problem?! Let’s!
– The mechanic brought home 4 valves, the carpenter
– 3 planes, and the electrician
– 16 light bulbs. How much did they get together?
– 23!
– Wrong! Together they have 6 years of strict regime!

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