Question

Помогите пожалуйста номер 703

Answer 1

1).2|a|+|b|;⇒a=-2¹/₈;b=³/₄;
2·(2¹/₈)+³/₄=2·17/8 +6/8=(34+6)/8=5;
2).|a|-3|b|;a=-4.98;b=1.16;
4.98-3·1.16=4.98-3.48=1.5;
3). (|a|+|b|)/|a|;a=-3¹/₂;b=-7;
(3¹/₂+7)/3¹/₂=10¹/₂/3¹/₂=21/2:7/2=21/7=3

Answer 2

1).2|a|+|b|;⇒a=-2¹/₈;b=³/₄;
2·(2¹/₈)+³/₄=2·17/8 +6/8=(34+6)/8=5;
2).|a|-3|b|;a=-4.98;b=1.16;
4.98-3·1.16=4.98-3.48=1.5;
3). (|a|+|b|)/|a|;a=-3¹/₂;b=-7;
(3¹/₂+7)/3¹/₂=10¹/₂/3¹/₂=21/2:7/2=21/7=3