Question

ayuda porfa es para hoy

7(4+5)-4(4+3)-8×2×3=

7×8-5×2×2-20+4-6×7=

(5+3)×5-4(3+4)-23+6×2×3-5×3×4=

​

Answer 1

problema 1 =

63-28-48

63-28=35

35-48= -13

problema 2 =

56-20-24-42

36-24=12

12-42= -30

problema 3 =

8x1x7-23+36-60

8x7=56

56-23=33

33+36=69

69-60=9