Решить выражение: (4/5-3/4)*7,8+(2/3+4/7)*7/13. Created by irnazarenko2011. matematika-ru

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irnazarenko2011 @irnazarenko2011

October 2021 1 14 Report

Решить выражение: (4/5-3/4)*7,8+(2/3+4/7)*7/13

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Magnitogorskru

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(4/5-3/4)*7,8+(2/3+4/7)*7/13; 1)4/5-3/4=16/20-15/20=1/20=0,05; /// 2)2/3+4/7=14/21+12/21=26/21; /// 3)0,05*7,8=0,39; 1/20*39/5=39/100;/// 4)26/21*7/13=2/3; /// 5)39/100+2/3=117/300+200/300=317/300=3 цел17/300

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Verified answer

rasschitat otnositelnuyu molekulyarnuyu massu sn3soon n2so3

reshit zadachu po matematike za 6 klass dlya prigotovleniya opary smeshali moloko i

reshit zadachu po matematike 6 klassdlya stroitelstva stadiona 5 buldozerov ras

dany va chisla kakoe iz nih bolshe esli 25 ot pervogo chisla ravny 35 vtorogo

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