Ответы на вопрос:
А)0.2^4/40=(1/5)^4/40=1^4/5^4/40=1^4/5^4*1/40=1/625*40=1/25000 б)1.8/(0.3)²=9/5/(3/10)²=9/5/1/3/(3/10)²=9*1/5*3²/10²=9/5*3²/10²=9*10²/5*3²=9*100/5*9=100/5=20 в)1/(-0.3)³=1/-3³/10=1/-3³/10³=1*(-10³/3³=-10³/3³=-1000/27=-37,03 г)1.6/(0.4)²=8/5/(2/5)²=8/5*1/(2/5)²=8*1/5*(2/5)²=8/5*2²/5²=8*5²/5*2²=8*5²/5*2²=8*25/5*4=200/20=10
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