TH C HI N PHÉP TÍNH
Bài 2: Th c hi n phép tính:ự ệ
a)
10 – [(82
– 48).5 + (23
.10 + 8)] :c)
307 – [(180 – 160) : 22
+ 9] : 228d)
205 – [1200 – (42
– 2.3)3
] : 40b)
8697 – [37
: 35
+ 2(13 – 3)]III. TÌM xa)
10 – [(82
– 48).5 + (23
.10 + 8)] :c)
307 – [(180 – 160) : 22
+ 9] : 228d)
205 – [1200 – (42
– 2.3)3
] : 40b)
8697 – [37
: 35
+ 2(13 – 3)]III. TÌM x