\(67-\left[8+7.3^2-24:6+\left(9-7\right)^3\right]:15\)
\(67-\left[8+7.9-4+2^3\right]:15\)
\(67-\left[8+63-4+8\right]:15\)
\(67-\left[71-11\right]:15\)
\(67-60:15\)
\(67-4\)
\(=63\)
67-\([8+7\times3^2-24:6+\left(9-7\right)^3]:15\)
\(\Leftrightarrow\)67-\([8+63-4+8]\) : 15
\(\Leftrightarrow\)(67- 75):15
\(\Leftrightarrow\)-8 : 15
\(\Leftrightarrow\frac{-8}{15}\)
67 - [ 8 + 7. 3 mũ 2 - 24 : 6 + ( 9 - 7 ) mũ 3 ] : 15
giúp tôi với
Tính nhanh
a) 31/23 - (7/32 + 8/23)
b) 38/45 - (8/45 - 17/51 - 3/11)
c)(1/3 + 12/67 + 13/41) - ( 79/67 - 28/41)
d) 1/5 + -1/6 + 1/7 + -1/8 + 1/9 + 1/8 + -1/7 + 1/6 + -1/5
67-[8+7.3^2-24:6+(9-7)^3]:15
1-2-3-4-5-6-7-8-9-0+4+9+1+2+3+4+5:3:5:6:67:8:96+7+8+9+9-2-3-4-5-6-7-8-9-2+4+2+1+3+4+5+6+7+9+0+8+67?
LÂY BÚA CHAC ĐẦU ĐUÔI HỎI =?
1. x - 8 +32= 68
2. x +8+32=68
3. 98-x +34=43
4. 98+x-34=43
5. x :5:4=800
6. 18+x=384:8
7. (84,6-2 x x):3,02= 5,1
8. x x5= 120:6
9. (15x 24-x) :0,25= 100:0,25
(-5).8.(-3).(-2)^3
125-(-75)+32-(48+32)
3.(-7)^2+2.(-15)-273
tìm x
39-(x-27)=67
55-/7-2.x/=-8
3.(x-5)-2(x+6)=-56
500 - {5[409 - (23 . 3 - 21)2 + 103 ]} : 15
67 - [8 + 7 . 32 - 24 : 6 + (9 - 7)2] : 15
67-[8+7.32-24:6+(9-7)3:15
.giúp mk tính từng bước
9/10 - 13/75 - 1/6
2/15 - 2/65 - 4/39
31/23 - (7/32 + 8/23)
(1/3+12/67+13/41) - (79/67 - 28/41)
38/45 - (8/45 - 17/51- 3/11)
