Question

Calculați:


692+543-124-245
897+(259-145)-27=
6272-(325+841)-22=
6538-1234-1549=
82+[55-(22-11)]+6=
6923-(591-213)+253=
{52+[54-(22+11)]+39}-50=
956+[69-(58+22-34)]-8=
22+{51-16+[8-(6-0)]}-1=​

Answer 1

Răspuns:

692+543-124-245=866

1235-124-245=

1111-245=866

897+(259-145)-27=984

897+114-27=

1011-27=984

6272-(325+841)-22=5084

6272-1166-22=

5106-22=5084

6538-1234-1549=3755

5304-1549=3755

82+[55-(22-11)]+6=132

82+(55-11)+6=

82+44+6=

126+6=132

6923-(591-213)+253=6798

6923-378+253=

6545+253=6798

{52+[54-(22+11)]+39}-50=62

[52+(54-33)+39]-50=

(52+21+39)-50=

(73+39)-50=

112-50=62

956+[69-(58+22-34)]-8=971

956+[69-(80-34)]-8=

956+(69-46)-8=

956+23-8=

979-8=971

22+{51-16+[8-(6-0)]}-1=51

22+[51-16+(8-6)]-1=

22+(51-16+2)-1=

22+(35+2)-8=

22+37-8=

59-8=51