1)
1) 3/16+39/80=15/80+39/80=54/80=27/40
2)79/80-27/40=79/80-54/80=25/80=5/16
2)
1)41/45-7/9=41/45-35/45=6/45=1/9
2)2/45+1/9=2/45+5/45=7/45
3)
1)2/15+1/5=2/15+3/15=5/15=1/3
2)7/15-1/3=7/15-5/15=2/15
4)
1)15/16-5/8=15/16-10/16=5/16
2)3/16+5/16=8/16=1/2
Ответ:
Пошаговое объяснение:
1) 79/80-(3/16+39/80)=79/80-(15/80+39/80)=79/80-54/80=25/80=5/16
2/45+(41/45-7/9)=2/45+(41/45-35/45)=2/45+6/45=8/45
3) 7/15-(2/15+1/5)=7/15-(2/15+3/15)=7/15-5/15=2/15
4) 3/16+(15/16-5/8)=3/16+(15/16-10/16)=3/16+5/16=8/16=1/2
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Answers & Comments
1)
1) 3/16+39/80=15/80+39/80=54/80=27/40
2)79/80-27/40=79/80-54/80=25/80=5/16
2)
1)41/45-7/9=41/45-35/45=6/45=1/9
2)2/45+1/9=2/45+5/45=7/45
3)
1)2/15+1/5=2/15+3/15=5/15=1/3
2)7/15-1/3=7/15-5/15=2/15
4)
1)15/16-5/8=15/16-10/16=5/16
2)3/16+5/16=8/16=1/2
Ответ:
Пошаговое объяснение:
1) 79/80-(3/16+39/80)=79/80-(15/80+39/80)=79/80-54/80=25/80=5/16
2/45+(41/45-7/9)=2/45+(41/45-35/45)=2/45+6/45=8/45
3) 7/15-(2/15+1/5)=7/15-(2/15+3/15)=7/15-5/15=2/15
4) 3/16+(15/16-5/8)=3/16+(15/16-10/16)=3/16+5/16=8/16=1/2