64-(-37+65)+(-65+21-370+(-64))
=64-37-65+(-65)+21-370+(-64)
=(65+(-65))+((-64)+64)-(37+21-370)
=0+0-(-322)
=322
64-(-37+65)+(-65+21-370+(-64)
=64 + 37 - 65 -65 + 21 - 370 - 64
=- 442
Trần Tuyết Tâm
64-(-37+65)+(-65+21-370+(-64)
Cách1:
64-(-37+65)+(-65+21-370+(-64)
=64-28+-262
=36+-262
=-226