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-1/4+3/5=
-З 8/9+(-2 1/12)=
-8 9/14+ З 3/7=
-5 12/35+10=
3 6/7+(-6 4/9)=
СМЕШАННЫЕ ДРОБИ , НАПРИМЕР: 3 6/7
-1/4+3/5=
-З 8/9+(-2 1/12)=
-8 9/14+ З 3/7=
-5 12/35+10=
3 6/7+(-6 4/9)=
СМЕШАННЫЕ ДРОБИ , НАПРИМЕР: 3 6/7
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-3 8/9+(-2 1/12)= -35/9-25/12= -420/108-225/108= -645/108= -215/36= -5 35/36
-8 9/14+ З 3/7= -112/14+24/7= -112/14+48/14= -64/14= -32/7= -4 4/7
-5 12/35+10= -187/35+350/35= 163/35= 4 23/35
3 6/7+(-6 4/9)=27/7-58/9=243/63-406/63= -163/63= -2 37/63