#1
1/7х+3/14х=14
3 1/5•х=1 7/9
#2
2 5/7:38=?
1 5/8•1 3/5=?
2 1/5:2 3/15=?
5/6•3=?
1/7х+3/14х=14
3 1/5•х=1 7/9
#2
2 5/7:38=?
1 5/8•1 3/5=?
2 1/5:2 3/15=?
5/6•3=?
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Answers & Comments
2/14х+3/14х=14
5/14х=14
х=14/1:5/14
х=196/5=39,2
3 1/5х=1 7/9
16/5х=16/9
х=16/9:16/5
х=5/9
2→2 5/7:38=19/7:38/1=19/7*1/38=1/14
1 5/8*1 3/5=13/8*8/5=13/5=2 3/5
2 1/5:2 3/15=11/5:33/15=11/5*15/33=1
5/6*3=5/2=2,5