Question

Me ayudan? con su representacion
1.. -4 (6-9)+6 (7-12)-8=
2.. -8+{5-[10-4 (5-8)]} =
3.. +7-{8+[13-2 (-7-10)]} =
4.. +3+[(4)(5)-13]+(8÷4)-9 =
5.. [4-6 (10)]-[6 (-4+7)]+9 (2-10)=

Answer 1

La primera es: desarrollo
-4(-3)+6(-5)-8=
12-30-8=
12-38=
-26