15 + 37) + (52 – 37 – 17) b/ (38 – 42 + 14) – (25 – 27 – 15) c/ –(21 – 32) – (–12 + 32) d/ –(12 + 21 – 23) – (23 – 21 + 10) e/ (57 – 725) – (605

Photo of author

By aihong

15 + 37) + (52 – 37 – 17) b/ (38 – 42 + 14) – (25 – 27 – 15)
c/ –(21 – 32) – (–12 + 32) d/ –(12 + 21 – 23) – (23 – 21 + 10)
e/ (57 – 725) – (605 – 53) f/ (55 + 45 + 15) – (15 – 55 + 45)




Viết một bình luận