TH C HI N PHÉP TÍNH.Ự ỆA) 5.22 + 98
Bài 6: Th c hi n phép tính.
ự
ệ
a)
5.2
2
+ 98:7
2
b)
2
38
: 2
36
+ 5
1
.3
2
7
2
c)
7
91
: 7
89
+ 5.5
2
– 124
d)
50 – [(20 – 2
3
) : 2 + 34]
e)
10
2
– [60 : (5
6
: 5
4
– 3.5)]
f)
307 – [(180 – 160) : 2
2
+ 9] : 2
g)
2011 + 5.[300 – (17 – 7)
2
]
h)
695 – [200 + (11 – 1)
2
]
i)
129 + 5.[6
2
– (6 – 1)
2
]
j)
177 :[2.(4
2
– 9) + 3
2
(15 – 10)]
k)
120:{6000:[219 – (256)]}