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Mariamarienuta1
a fost răspuns

calculeaza: 700:2:7+824:4:2-515:5+816:8,[124x7-36x5+(310x2-500)]-798,800-[(100+100:10)x2]+(200+120:2-0=

Răspuns :

Iulica1
 1)700:2:7+824:4:2-515:5+816:8=
    50+103-103+102=50+102=152

2)[124x7-36x5+(310x2-500)]-798=      
   [868-180+(620-500)]-798=688+120-798=808-798=10

3)800-[(100+100:10)x2]+(200+120:2-0)=  
   800-[(100+10)x2]+(200+60)=
   800-220+260=840

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