2×[41-(320:10-10)]÷2=? ; 10:(36-26)×41+5×42=?

Răspuns :

2 × [ 41 - ( 320 : 10 - 10 ) ] : 2 =

2 × [ 41 - ( 32 - 10 ) ] : 2 =

2 × ( 41 - 20 ) : 2 =

2 × 22 : 2 =

44 : 2 =

= 22

10 : ( 36 - 26 ) × 41 + 5 × 42 =

10 : 10 × 41 + 5 × 42 =

1 × 41 + 5 × 42 =

41 + 5 × 42 =

41 + 210

= 251
2x(41-(320:10-10)):2=
=2x(41-(32-10)):2=
=2x(41-22):2=
=2x19:2=
=38:2=19

10:(36-26)x41+5x42=
=10:10x41+5x42=
=1x41+5x42=
=41+5x42=
=41+210=251