Question

1.Calculati
a)124:2x7=
b)82+117:9x43=

2.Calculati
a)848-42x(18+2)=
b) (50:2+13x2)x9=
c)4x[8+4x(9+6x7)]=

3.Corina are 36 de margele,Ana de 4 ori mai putine decat Corina,iar Ileana de9 ori mai putin decat Corina.Din toate margelele,fetitele au facut bratari pe care au asezat 7 bratari.
Cate bratari au facut?
-Rezolvati problena printr-un exercitiu.
Dau coroana

Answer 1

1. a)140
b)641

2.a)848-42*20=848-840=8
b)(25+26)*9=51*9=459
c)4*[8+4*(9+42)=4*(8+4*51)=4*(8+204)=4*212=848