Răspuns :
(100-28):(45-36)×999+1-(3×8+5×5):7×999=
72:9×999+1-(3×8+5×5):7×999=
8×999+1-(24+25):7×999=
7992+1-49:7×999=
7992+1-7×999=
7992+1-6993=
7993-6993=
1000
72:9×999+1-(3×8+5×5):7×999=
8×999+1-(24+25):7×999=
7992+1-49:7×999=
7992+1-7×999=
7992+1-6993=
7993-6993=
1000
(100-28):(45-36)x999+1-(3x8+5x5):7x999
=72:9x999+1-(24+25):7x999
=8x999+1-49:7x999
=7992+1-7x999
=7992+1-6993
=7993-6993
=1000
=72:9x999+1-(24+25):7x999
=8x999+1-49:7x999
=7992+1-7x999
=7992+1-6993
=7993-6993
=1000