a) 2345 – 1000 : [19 – 2(21 – 18)2]b) 128 – [68 + 8(37 – 35)2] : 4c) 568 – {5[143 – (4 – 1)2] + 10} : 10d) 107 – {38 + [7.32 – 24 : 6+(9 – 7)3]}:15e) 307 – [(180 – 160) : 22 + 9] : 2f) 205 – [1200 – (42 – 2.3)3] : 40g) 177 :[2.(42 – 9) + 32(15 – 10)] h) [(25 – 22.3) + (32.4 + 16)]:...
Đọc tiếp
a) 2345 – 1000 : [19 – 2(21 – 18)2]
b) 128 – [68 + 8(37 – 35)2] : 4
c) 568 – {5[143 – (4 – 1)2] + 10} : 10
d) 107 – {38 + [7.32 – 24 : 6+(9 – 7)3]}:15
e) 307 – [(180 – 160) : 22 + 9] : 2
f) 205 – [1200 – (42 – 2.3)3] : 40
g) 177 :[2.(42 – 9) + 32(15 – 10)]
h) [(25 – 22.3) + (32.4 + 16)]: 5
a. 1345
b. 103
c.-101
d. 100
e.300
f. 200
g. 3
h. 13