\(5002^0.18+99.18+3^3.3^2+2^4.2\)
\(=18.\left(1+99\right)+3^5+2^5\)
\(=18.100+243+32\)
\(=1800+275\)
\(=2075\)
\(5002^0.18+99.18+3^3.3^2+2^4.2\)
\(=18.\left(1+99\right)+3^5+2^5\)
\(=18.100+243+32\)
\(=1800+275\)
\(=2075\)
câu trả lời cho câu hỏi của Huong Le Thị Lan: 1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32.
=(1+32)+(2+31)+(3+30)+(4+29)+(5+28)+(6+27)+(7+26)+(8+25)+(9+24)+(10+23)+(11+22)+(12+21)+(13+20)+(14+19)+(15+18)+(16+17)
=33+33+33+33+33+33+33+33+33+33+33+33+33+33+33+33. =33.16 (dấu chấm là dấu nhân)=528
Tính hợp lí:
1) -(-66)+34+(-73)-27+99
2) 54-(45-30+54)-30+5
3)42-56+33-(33+56+42)
4)50-(47+50-18)+(47-18)
5)|25-24-10|-(28-30+4)
cho mình hỏi bài này:
Tính nhanh
176+483+24+117
239+518+761+482
32+33+34+...+78+79+80
5 . 125 . 2 . 4
25 . 50 . 4 . 20
17 .32+43 . 17+17 , 25
24 . 19+29 . 24+18 . 24+24 . 33+24
Tính nhanh
a) 176 + 483 + 24 + 117
b ) 32 + 33 + 34 + ... + 78 + 79 + 80
c ) 25.50.4. 20
d) 24 . 19 + 29 . 24 + 18 .24 + 24 . 33 + 24
Điền số thích hợp:
a, /-18/ = .....
b, - /-25/ = ....
c, /25 + (-35)/ = .....
d, /-150/ + /32/ = ....
e, 186 - /-36/ = .....
f, 52 - /-2/ = .....
g, -180 + /-75/ = .....
h. /99/ + /-99/ = .....
18- 4x = -20-6x
h)-15 x 24 = - 7x +32
i) 15x- 3(4x - 6) = - 12+ 36
k) -10 x - 27 = - 7x +33
m) -17 x - 24 = - 9x - 40
n) -23 x 25 = - 18x +75
p) - 5x+ 7( 2x-3) = 4( x - 4)
q)24- 6(3x + 1) = -5( 4x- 4 ) - 8
r) 18-4. (6-2x) = -3.(4x +5 ) - 11
Jup mik pls
a, (-24)+18+24+(-28)
b, (-32) × 234 + 234
GIÚP TỚ VỚI Ạ
Rút gọn psố: 2×4+2×4×8+4×8×16+8×18×32 phần 3×3+2×6×8+4×12×16+8×24×32
a) 23 – 53 : 52 + 12.22 | b) 5[(85 – 35 : 7) : 8 + 90] – 50 |
c) 2.[(7 – 33 : 32) : 22 + 99] – 100 | d) 27 : 22 + 54 : 53 . 24 – 3.25 |
e) (35 . 37) : 310 + 5.24 – 73 : 7 | f) 32.[(52 – 3) : 11] – 24 + 2.103 |
g) (72005 + 72004) : 72004 | h) (57 + 75).(68 + 86).(24 – 42) |
i) (75 + 79).(54 + 56).(33.3 – 92) | j) [(52.23) – 72.2) : 2].6 – 7.25 |