Question

Am nevoie de ajutor rapid va rog

Answer 1

30-100:[5-5:(14-3•3)]+9•5=
30-100:[5-5:(14-9)]+9•5=
30-100:(5-5:5)+9•5=
30-100:(5-1)+9•5=
30-100:4+9•5=
30-25+9•5=
30-25+45=
5+45=
50

Answer 2

i)30-100:[5-5:(14-3×3)]+9×5= =30-100:[5-5:(14-9)]+45= =30-100:(5-5:5)+45= =30-100:(5-1)+45= =30-100:4+45= 30-25+45= =5+45 =50 m)60+[36:3+6×(7×4)]:3 =60+(12+6×28):3 =60+(12+168):3 =60+180:3 =60+60 =120 n) 480:8+4×[400:8+30×(28:4×6)] =60+4×[50+30×(7×6)] =60+4×(50+30×42) =60+4×(50+1260) =60+4×1310 =60+5240 =5300 o)3+3×[3+3×(3-3:3)]:9:3 =3+3×[3+3×(3-1)]:9:3 =3+3×(3+3×2):9:3 =3+3×(3+6):9:3 =3+3×9:9:3 =3+27:3 =3+9 =12