Respuesta:
= 74
Explicación paso a paso:
[tex]- ( - 21 ) - ( - 35 ) - ( - 60 ) - ( + 42 )\\\\=-\left(-21\right)+35-\left(-60\right)-\left(42\right)\\=21+35-\left(-60\right)-\left(42\right)\\=56-\left(-60\right)-\left(42\right)\\=56+60-\left(42\right)\\=116-\left(42\right)\\= 74[/tex]
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Respuesta:
= 74
Explicación paso a paso:
[tex]- ( - 21 ) - ( - 35 ) - ( - 60 ) - ( + 42 )\\\\=-\left(-21\right)+35-\left(-60\right)-\left(42\right)\\=21+35-\left(-60\right)-\left(42\right)\\=56-\left(-60\right)-\left(42\right)\\=56+60-\left(42\right)\\=116-\left(42\right)\\= 74[/tex]