Question

решите пример: |-42| + 87
-42 + |87|
|-42| + |87|
|-42 + 87|
помните пжж

Answer 1

$\boxed{ \bf \huge \: 1).} \large \sf \: | - 42| + 87 = 42 + 87 = \huge \: 129; \\ \boxed{ \bf \huge \: 2).} \large \sf \: - 42 + |87| = - 42 + 87 = \huge \: 45; \\ \boxed{ \bf \huge \: 3).} \large \sf | - 42| + |87| = 42 + 87 = \huge \: 129 ; \\ \boxed{ \bf \huge \: 4).} \large \sf \: | - 42 + 87| = |45| = \huge \: 45.$

Answer 2

1) 42+87=129
2) -42+87=45
3) -42+87=45