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Atentie la calcule : a) [1996:2-455:7+(11×63×9-4×5×13)]:10+6×100= b) (0+123-123:3):3[99×6-(5×100+46×2)]+395:5+162= c) [(2×2+2:2+6×6:6)+(44:4+4-22:2+2)]+99:9×9+9:9= d) [(6000-2000):4+23456:2]-236×12:8= e) (32:4+5×6+9:3+3):[(36:2+6×12)-6×10-8]=

Răspuns :

a)[998-65+(6237-260)]=(933+5977):10+60=6910:10+60=691+60=751
b)cred ca ai uitat un semn
c)[(4+1+6)+(11+4-11+2)]+1+9+9=11+(15-13)+21=11+2+21=13+21=44
e)(8+30+3+3):[(18+72)-60-8]=44:(90-60-8)=44:22=2
d)(4000:4+11728)-354=(1000+11728)-354=12728-354=12374