Решите уравнение:
1) 7 3/10+x=15 7/10
2) a-7 9/13=3 4/13
3) 10 11/15-(m+3 2/15)=6 4/15
1) 7 3/10+x=15 7/10
2) a-7 9/13=3 4/13
3) 10 11/15-(m+3 2/15)=6 4/15
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Answers & Comments
Х=15 7/10- 7 3/10=8 4/10
х=8 4/10
2) а-7 9/13 = 3 4/13
а = 7 9/13 + 3 4/13=10 13/13
а = 10 13/13
3) 10 11/15-(m+3 2/15)=6 4 /15
m+10 11/15=10 11/15-6 4/15=4 7/15
m=4 7/15-3 2/15 =1 5/15 (дробь сократимая) = 1 1/3