Question

158. -5-(+11)-(-20)
159.9-[(-5)-(+7)]
100.-7-[(-3)-(-9)]
161-11 - [(+6)-(+4)]
162.48 - [(+5)-(-9)
03. (+4) + [(+3)+(-7)]+(+1)
64. -(-3) + {(-5) - [(+8)+(-10)]}​

Answer 1

Respuesta:

158. 4

159. 21

100. -13

161. -13

162. 34

03. 1

64. 0