Question

4. Efectuează: [(2 x 50 + 125): 15 + 476 : (282-530 : 2)] x 3 = 2 x [(1 782 : 2 - 314 x 2) x 5 + 4 x (1 360 - 1 136 : 8)]
Dau coroană!​

Answer 1

Răspuns:

[ ( 2 × 50 + 125 ) : 15 + 476 : ( 282 - 530 : 2 )] × 3 =129

[ ( 100 + 125 ) : 15 + 476 : ( 282 - 265 ) ] × 3 =

( 225 : 15 + 476 : 17 ) × 3 =

( 15 + 28 ) × 3 =

43 × 3 = 129

2 × [( 1782 : 2 - 314 × 2 ) × 5 + 4 × ( 1360 - 1136 : 8 )]

= 12374

2 × [( 891 - 628 ) × 5 + 4 × ( 1360 - 142 ) ] =

2 × ( 263 × 5 + 4 × 1218 ) =

2 × ( 1315 + 4872 ) =

2 × 6187 = 12374