Question

Va rog calculati aceste exercitii pas cu pas nu doar raspunsul

480:8+4x[400:8+30x(28:4x6]

3+3x[3+3x(3-3:3)]:9:3

4+4x[4-4:(44:4-49:7)]x4-40

3+2x[20:(64:4:4)]:[5x(7:7)x2]

Answer 1

480:8+4x[400:8+30x(28:4x6)]
=480:8+4x[400:8+30x(7x6)]=
=480:8+4x(400:8+30x42)=
=480:8+4x(400:8+1260)=
=480:8+4x(50+1260)=
=480:8+4x1310=
=60+5240=
=5300

3+3x[3+3x(3-3:3)]:9:3=
=3+3x[3+3x(3-1)]:9:3=
=3+3x(3+3x2):9:3=
=3+3x(3+6):9:3=
=3+3x9:9:3=
=3+27:9:3=
=3+3:3=
=3+1=
=4

4+4x[4-4:(44:4-49:7)]x4-40=
=4+4x[4-4:(11-7)]x4-40=
=4+4x(4-4:4)x4-40=
=4+4x(4-1)x4-40=
=4+4x3x4-40=
=4+12x4-40=
=4+48-40=
=52-40
=12

3+2x[20:(64:4:4)]:[5x(7:7)x2]=
=3+2x[20:(16:4)]:(5x1x2)=
=3+2x(20:4):10=
=3+2x5:10=
=3+10:10=
=3+1=
=4
SPER CA E DE FOLOS

Answer 2

1.
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
2.
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+27:9:3=
3+3:3=
3+1=
=4
3.
4+4×[4-4:(44:4-49:7)]×4-40=
4+4×[4-4:(11-7)]×4-40=
4+4×[4-4:4]×4-40=
4+4×[4-1]×4-40=
4+4×3×4-40=
4+12×4-40=
4+48-40=
4+8=
=12
4.
3+2×[20:(64:4:4)]:[5×(7:7)×2]=
3+2×[20:(16:4)]:[5×1×2]=
3+2×[20:4]:[5×2]=
3+2×5:10=
3+10:10=
3+1
=4
Sper ca te-am ajutat