Question

Пожалуйста, срочно нужно! №966 и №968​

Answer 1

$1. : a + b = - 6.3 + 2.7 = - 3.6 \ |a| + b = | - 6.3| + 2.7 = 6.3 + 2.7 = 9 \ a + |b| = - 6.3 + |2.7| = -6.3 + 2.7 = - 3.6 \ |a + b| = | - 6.3 + 2.7| = | - 3.6| = 3.6 \ |a| + |b| = | - 6.3| + |2.7| = 6.3 + 2.7 = 9 \ 2. : 1) : |a| + |b| = | - 3| + | - 7| = 3 + 7 = 10 \ |a + b| = | - 3 - 7| = | - 10| = 10 \ 2) : |a| + |b| = | - 4| + |10| = 4 + 10 = 14 \ |a + b| = | - 4 + 7| = |3| = 3 \ 3) : |a | + | b| = |7.2 | + | 2.8| = 7.2 + 2.8 = 10 \ |a + b| = |7.2 + 2.8| = |10| = 10$