5 - клас! Знайдіть значення виразу: 1.5,6*0,08 +0,23*2,4 2.(72-42,56) * 0,08 3.(9,38+5,14) * (8,4 -3,24) ПЛИЗ. Created by Derod. matematika-ru

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5 - клас! Знайдіть значення виразу: 1.5,6*0,08 +0,23*2,4 ...

Derod @Derod

August 2022 1 2 Report

5 - клас! Знайдіть значення виразу: 1.5,6*0,08 +0,23*2,4 2.(72-42,56) * 0,08 3.(9,38+5,14) * (8,4 -3,24) ПЛИЗ

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Svet1ana

Verified answer

1) $5,6\cdot0,08+0,23\cdot2,4=1$

1) $5,6\cdot0,08=0,448$

2) $0,23\cdot2,4=0,552$

3) $0,448+0,552=1$

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2) $(72-42,56)\cdot0,08=2,3552$

1) $72-42,56=29,44$

2) $29,44\cdot0,08=2,3552$

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3) $(9,38+5,14)\cdot(8,4 -3,24)=74,9232$

1) $9,38+5,14=14,52$

2) $8,4 -3,24=5,16$

3) $14,52\cdot5,16=74,9232$

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