4+(-6)<х+у<7+9
-2<х+у<16
0,5×0,8<ху<1,9×2
0,4<ху<3,8
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
4+(-6)<х+у<7+9
-2<х+у<16
0,5×0,8<ху<1,9×2
0,4<ху<3,8