Respuesta :
-4-11-20 (-22(-2)-15-(10+7.2)-(8-5)-1)+11=-160
Steps
-4-11-20(-22(-2)-15-(10+7.2)-(8-5)-1)+11
20(-22(-2)-15-(10+7.2)-(8-5)-1)
= 20(2*22-1-15-(10+7.2)-(8-5))
= 20(44-1-15-(10+7.2)-(8-5))
= 20(44-1-3-15-17.2)
= 20*7*8
= 156
= -4-11-156+11
= -160
Steps
-4-11-20(-22(-2)-15-(10+7.2)-(8-5)-1)+11
20(-22(-2)-15-(10+7.2)-(8-5)-1)
= 20(2*22-1-15-(10+7.2)-(8-5))
= 20(44-1-15-(10+7.2)-(8-5))
= 20(44-1-3-15-17.2)
= 20*7*8
= 156
= -4-11-156+11
= -160