х-2.5)*4.2=6.3 (4 1/5=4.2)
х-2.5=6.3/4.2
х-2.5=1.5
х=1.5+2.5
х=4
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
х-2.5)*4.2=6.3 (4 1/5=4.2)
х-2.5=6.3/4.2
х-2.5=1.5
х=1.5+2.5
х=4