a) 3.52 + 15.22 – 26:2 b) 53.2 – 100 : 4 + 23.5c) 62 : 9 + 50.2 – 33.3 d) 32.5 + 23.10 – 81:3e) 2345 – 1000 : [19 – 2(21 – 18)2] f) 128 – [68 + 8(37 – 35)2] : 4g) 568 – {5[143 – (4 – 1)2] + 10} : 10 h) 107 – {38 + [7.32 – 24 :...
Đọc tiếp
a) 3.52 + 15.22 – 26:2 b) 53.2 – 100 : 4 + 23.5
c) 62 : 9 + 50.2 – 33.3 d) 32.5 + 23.10 – 81:3
e) 2345 – 1000 : [19 – 2(21 – 18)2] f) 128 – [68 + 8(37 – 35)2] : 4
g) 568 – {5[143 – (4 – 1)2] + 10} : 10 h) 107 – {38 + [7.32 – 24 : 6+(9
\(a.3.52+15.22-26:2\\ 156+330-13\\ =486-13\\ =473\)
\(b.53.2-100:4+23.5\\ =106-25+115\\ =81+115\\ =196\)