Question

va Rog Ajutor dau C9roana ​

Answer 1

Răspuns:

1. 10.000-6×4:3:8= 10.000-24:3:8

=10.000-8:8

=10.000-1

=9999

2. 10×(42:7:2:3)×10= 10×(6:2:3)×10

=10×(3:3)×10

=10×1×10

=10×10

=100

3. 100:(2+8×7+42)×9=100:(2+56+42)×9

=100:(58+42)×9

=100:100×9

=1×9

=9

4. 7000-4×2×4:8+1396=7000-8×4:8+1396

=7000-32:8+1396

=7000-4+1396

=6996+1396

=8392

5. (3×3×3):(4×4:8×9:6)=(9×3):(16:8×9:6)

=27:(2×9:6)

=27:(18:6)

=27:3

=9

6. 1000-(7+3×9+66):10=1000-(7+27+66):10

=1000-(34+66)

=1000-100

=900

7. 6-6×(8×8-58):9+2888=6-6×(64-58):9+2888

=6-6×6:9+2888

=6-36:9+2888

=6-4+2888

=2+2888

=2900

8. 7777-63:(54:6)×(49:7:7)×10=7777-63:9×(7:7)×10

=7777-7×1×10

=7777-7×10

=7777-70

=7707

9. 5000+18:(36:9×6:8)×8+3452=5000+18:(4×6:8)×8+3452

=5000+18:(24:8)×8+3452

=5000+18:3×8+3452

=5000+6×8+3452

=5000+48+3452

=5048+3452

=5500