a) (128+375) + (-58)=
b) [326+(-458)]+(24+458)=
c) [726+(-226)]+(-8)=
d)212*17+(-312)*17=
e)-12+(-8)]*[-2*(-24)+5*(-12)]=
f) [-7*6+6*(-5)]*[12*(-8)+(-17)*6-(-15)*(-4)]=
g)[-18*9-16*(-8)]*[12*(-6)-8*(-4)]=
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a)
(128+375) + (-58)=503-58=445
b)
[326+(-458)]+(24+458)=[326-458]+482=-132+482=350
c)
[726+(-226)]+(-8)=[726-226]-8=500-8=492
d)
212*17+(-312)*17=3604-5304=-1700
e)-12+(-8)]*[-2*(-24)+5*(-12)]=[-12-8]*[48-60]=(-20)*(-12)=240
f)
[-7*6+6*(-5)]*[12*(-8)+(-17)*6-(-15)*(-4)]=[-42-30]*[-96-102-60]=
(-72)*(-258)=18576
g)
[-18*9-16*(-8)]*[12*(-6)-8*(-4)]=[-162+128]*[-72+32]=(-34)*(-40)=1360
a) 445
b) 350
c) 492
d) -1700
e) 5160
f) 6750
g) 1360