Calculează, ținând cont de ordinea operațiilor.
6 x 4 x 14 + (275 + 142) x 13 – 56 x (142 - 96) =
3 x (18 + 12 x 3) + (47 - 32) × 12 + 172 – 138 =
248 x (6 + 15) - (172 - 29) 13 +63 x (5 + 2 x 8) =
5 678 – 2 x (13 + 14 x 3) - (243 - 16 x 2) x 17 =
Răspunsuri la întrebare
Răspuns:
Raspunsurile sunt subliniate. Nu am stiu ce punct sunt, asa ca am pus asa. Sper sa fie bine! Sport la treaba!
Explicație pas cu pas:
Primul punct:
6×4×14+(275+142)×13-56×(142-96)=
=6×4×14+417×13-56×46=
=336+5421-2576=3181
Al doilea punct:
3 x (18 + 12 x 3) + (47 - 32) × 12 + 172 – 138 =
=3×90+15×12+172-138=
=270+180+172-138=
=450+34=484
Al treilea punct:
248 x (6 + 15) - (172 - 29) ×13 +63 x (5 + 2 x 8) =
=248×21-143×13+63×56=
=5208-1859+3528=
=3349+3528=6877
Al patrulea punct:
5 × 678 – 2 x (13 + 14 x 3) - (243 - 16 x 2) x 17 =
=5×578-2×81-454×17=
=2890-162-7718=
=-4990
6×4×14+(275+124)×13-56×(142-96)=
6×4×14+399×13-56×46=
24×14+399×13-56×46=
336+399×13-56×46=
336+5186-56×46=
336+5186-2576=
5522-2576=
2946
3×(18+12×3)+(47-32)×12+172-138=
3×(18+36)+15×12+172-138=
3×54+180+172-138=
162+180+172-138=
342+172-138=
514-138=
376
248×(6+15)-(172-29)=
248×21-143=
5208-143=
5065
13+63×(5+2×8)=
13+63×(5+16)=
13+63×21=
13+1323=
1336
5678-2×(13+14×3)-(243-16×2)×17=
5678-2×(13+42)-(243-32)×17=
5678-2×55-211×17=
5678-110-3587=
5568-3587=
1981