Ответ:
1)1,8-3_1/3=1_8/10-3_1/3=1_24/30-3_10/30=-(3_10/30-1_24/30)=-(2_40/30-1_24/30)=-1_16/30=-1_8/15
2)2,8-5_5/6=2_8/10-5_5/6=2_24/30-5_25/30=-(5_25/30-2_24/30)=-3_1/30
3)-1_16/30-3_1/30=-(3_1/30+1_16/30)=-4_17/30
Пошаговое объяснение:
+(- =-
-(+ =-
-(- =+
+(+=+
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Verified answer
Ответ:
1)1,8-3_1/3=1_8/10-3_1/3=1_24/30-3_10/30=-(3_10/30-1_24/30)=-(2_40/30-1_24/30)=-1_16/30=-1_8/15
2)2,8-5_5/6=2_8/10-5_5/6=2_24/30-5_25/30=-(5_25/30-2_24/30)=-3_1/30
3)-1_16/30-3_1/30=-(3_1/30+1_16/30)=-4_17/30
Пошаговое объяснение:
+(- =-
-(+ =-
-(- =+
+(+=+