a)
= [316 - (100 + 16)] : 8 - 24
= [316 - 116] : 8 - 24
= 200 : 8 - 24
= 25 - 24
= 1
b)
= 4.25 - 81 : 9 + 25.3 - 18 : 9
= 100 - 9 + 75 -2
= 91 + 75 - 2
= 166 - 2
= 164
c)
= 5\(^2\) + 4.27 - 1
= 25 + 108 - 1
= 133 - 1
= 132
d)
= 2\(^3\) + (-15) + 1
= 8 + (-15) + 1
= -7 + 1
= -6
a) [316 - ( 25.4 + 16)] : 8 - 24
= [ 316 - (100 + 16) : 8 - 24
= [ 316 - 116 ] : 8 - 24
= 200 : 8 - 24
= 25 - 24
= 1
b) 4.52 - 81 : 32 + 52.3 - 18 : 32
= 4.25 - 81: 9 + 25.3 - 18 : 9
= 100 - 9 + 75 - 2
= 91 + 73
= 164
c) 58 : 56 + 22. 33 - 20210
= 52 + 25 - 1
= 57 - 1
= 78125 - 1
= 78124
d) ( 9 - 7 )3 + ( -15 ) + 20210
= 23 + ( -15 ) + 1
= 8 + (-15) + 1
= (-7) + 1
= -6
nếu sai câu nào thì mong bạn thông cảm ^^