Question

va roggggg e urgent ,dau coroana!!!​

Answer 1

Răspuns:

9+2×[(2×9×2-2×9):9+(99:9+68)]:9=

=9+2×[(18×2-18):9+(11+68)]:9

=9+2×(18:9+79):9

=9+2×(2+79):9

=9+2×81:9

=9+162:9

=9+81

=90

1+2×[3+4×(5:5)-6×(7-7)]:7+8×9

=1+2×(3+4×1-6×0):7+72

=1+2×(3+4-0):7+72

=1+2×7:7+72

=1+14:7+72

=1+2+72

=75