Question

III.4. Ordinea efectuării operațiilor
Efectuează:
361 + 89 - 163 - 20 + 407 =
120: 2 x 3 x 8:4 x 10 =
8- 28:7 + 3425:5x2 =
439 - 81:3:3-2 x 9 + 3 =
300 : 100 + 432 x ( 700 - 688 ) =
(888:8 + 3 x 7):4 + 80 =
( 57 x 14):( 80:4:10 ) + 35 x 21 =
5 x 333 - ( 48 x 10 : 2 + 54 10 + 600:5:3 - 2 x 25 ) =
1
( 2 400 – 75 x ( 96: 3:2) ) x 235 =
1 000 - [( 250 : 25 + 330 : 3 ) - ( 30 x 2 - 5x8)]*4 =​

Answer 1

Am sa-ti rezolv jumatate din ele , pt ca deja e tarziu .

361 + 89. - 163 - 20 + 407 =

450 - 163 - 20 + 407 = 267 + 407 = 674

120 : 2 × 3 × 8 : 4 × 10 =

60 × 3 × 8 : 4 × 10 =

1.440 : 4 × 10 =

360 × 10 = 3.600

8 - 28 : 7 + 3425 : 5 × 2 =

8 - 4 + 685 × 2 =

4 + 1.370 = 1.374

439 - 81 : 3 : 3 - 2 × 9 + 3 =

439 - 27 : 3 - 18 + 3 =

439 - 9 - 18 + 3 =

412 + 3 = 415

300 : 100 + 432 × ( 700 - 688 ) =

3 + 432 × 12 =

3 + 5.184 = 5.187

( 888 : 8 + 3 × 7 ) : 4 + 80 =

( 111 + 21 ) : 4 + 80 =

132 : 4 + 80 =

33 + 80 =113

( 57 × 14 ) : ( 80 : 4 : 10 ) + 35 × 21 =

798 : 2 + 735 =

399 + 735 = 1.134

intr-un exercitiu , inmultirile si impartirile se fac in ordinea in care sunt .