a) 128 - [116-\(\left(132-128\right)^2\)]
= 128-[116-\(4^2\)]
= 128-[116-8]
=128-108
= 20
b) 371+(-590)+(-271)+730
=371-590-271+730
= 240
c) 279 -(145+279)
= 279-424
= -145
d) 2341-243+(-2240)
= 2341-243-2240
= -142
e) -26 +8 . (11+7)
= -26 + 8 . 18
= -26 +144
= 118
g) 47. (23+50) - 23 . (47 + 50)
= 47.73-23.97
= 3431-2231
= 1200
a. 128- [116-(132−128)\(^2\)]
= 128 - [ 116 - \(4^2\) ]
= 128 - [ 116 -16 ]
= 128 - 100
= 28
b. 371+(-590)+(-271)+730
= [ 371 + (-271) ] + [ 730 + (-590) ]
= 100 + 140
= 240
c. 279 - ( 145 +279)
= 279 - 145 - 279
= ( 279 -279 ) -145
= 0 - 145
= -145
d. 2341 - 243+(-2240)
= 2098 + (-2240)
= -142
e. -26 + 8 . ( 11+7)
= -26 + 8 . 18
= -26 + 144
= 118
g. 47 . ( 23+50) - 23. (47 +50)
= 47 . 73 - 23 . 97
= 3431 - 2231
= 1200