HE

k) 2345 – 1000 : [19 – 2(21 – 18)2 ] l) 128 – [68 + 8(37 – 35)2 ] : 4
m) 568 – {5[143 – (4 – 1)2 ] + 10} : 10
n) 107 – {38 + [7.32 – 24 : 6+(9 – 7)3 ]}:15
o) 307 – [(180 – 160) : 22 + 9] : 2
p) 205 – [1200 – (42 – 2.3)3 ] : 40
q) 177 :[2.(42 – 9) + 32 (15 – 10)]
r) [(25 – 2 2 .3) + (32 .4 + 16)]: 5
s) 125(28 + 72) – 25(32 .4 + 64)
giúp mk

NT
29 tháng 10 2021 lúc 21:51

s: \(=125\cdot100-25\cdot192\)

\(=12500-4800\)

=7700

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