a)x= 4.91
б)-x=12.9-5.6
-×=7.3
×=-7.3
в)×=-4.7-5.8
×=-10.5
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Answers & Comments
a)x= 4.91
б)-x=12.9-5.6
-×=7.3
×=-7.3
в)×=-4.7-5.8
×=-10.5