1)a)2/5×3/7=6/35.
1)б)3/4×5/11=15/44.
1)в)2/9×11/7=22/63.
1)г)4/5×6/19=24/95.
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2)а)6/25×15/17=18/85.
2)б)14/15×4/21=8/45.
2)в)24/25×7/36=14/75.
2)г)5/24×16/17=10/51.
3)а)7×3/4=21/4=5+1/4.
3)б)5×3/25=3/5.
3)в)8×1/4=2.
3)г)9×2/3=6.
4)а)5/7×3=15/7=2+1/7.
4)б)3/8×16=6.
4)в)2/3×12=8.
4)г)3/5×15=9.
5)а)1+3/5×5/7=8/7=1+1/7.
5)б)10+2/3×3/8=4.
5)в)5+1/4×2/7=1+1/2.
5)г)3+1/3×2+1/10=7.
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Answers & Comments
1)a)2/5×3/7=6/35.
1)б)3/4×5/11=15/44.
1)в)2/9×11/7=22/63.
1)г)4/5×6/19=24/95.
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2)а)6/25×15/17=18/85.
2)б)14/15×4/21=8/45.
2)в)24/25×7/36=14/75.
2)г)5/24×16/17=10/51.
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3)а)7×3/4=21/4=5+1/4.
3)б)5×3/25=3/5.
3)в)8×1/4=2.
3)г)9×2/3=6.
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4)а)5/7×3=15/7=2+1/7.
4)б)3/8×16=6.
4)в)2/3×12=8.
4)г)3/5×15=9.
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5)а)1+3/5×5/7=8/7=1+1/7.
5)б)10+2/3×3/8=4.
5)в)5+1/4×2/7=1+1/2.
5)г)3+1/3×2+1/10=7.