23 2/5+х=4 5/6+21 1/6
х+19 3/7=5 7/12+ 16 5/12
х+6 1/4=17 2/3-5 2/3
4 3/8+х=21 2/5-12 2/5
решите уравнения
х+19 3/7=5 7/12+ 16 5/12
х+6 1/4=17 2/3-5 2/3
4 3/8+х=21 2/5-12 2/5
решите уравнения
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Answers & Comments
х= (29/6+127/6)-117/5
х=78/3-117/5
х=390/15-351/15
х=39/15=13/5=2 3/5
х+19 3/7=5 7/12+ 16 5/12
х= (67/12+197/12)-136/7
х= 264/12-136/7
х= 22-136/7
х= 154/7-136/7
х=18/7
х+6 1/4=17 2/3-5 2/3
х= 12-25/4
х=48/4-25/4
х=23/4=5 3/4
4 3/8+х=21 2/5-12 2/5
х= 9- 35/8
х= 72/8-35/8
х= 37/8= 4 5/8