Các câu hỏi tương tự
a) 10+10(100-102) b) (-7).18+(-3).(-10)-15 c) (-4)2.5+2.(20-25) d) (-235-35):2 e) (-92):(-4)+(-7).(-3)
g) 20-540:(25-28)3 h) (315-427).(-4)+(46-89).(-3) i) (6-26).(-4)+31.(-7-13) k) 330:(7-17)-17.(-3-17)
l) (-2).(-6)2-54:(1-4)2
a) 10+10(100-102) b)(-7).18+(-3).(-10)-15 c)(-4)2.5+2.(20-15) d) (-235-35):2 e) (-92):(-4)+(-7).(-3)
g) 20-540:(25-28)3 h)(315-427).(-4)+31.(-7-13) k) 330:(7-17)-17.(-3-17) l) (-2).(-6)2-54:(1-4)2
4.24.5^2-(3^3.18+3^3.12)
31.15.7^2.4-31.49.40
1+2+3+4+5+6+7+8+9+10
1+3+5+7+9+11+13+15+19
2+6+10+14+22+23+26+34
5+8+11+14+17+20+23+26+29
1+6+11+16+21+26+31+36+41+47+51
10+13+16+19+22+25+28+31+34+37+40
5+7+9+11+13+15+17+3+8+13+18+23+28
4+7+10+13+16+19+5+9+13+17+21+25
a ) - 8 / 24 + - 4 / 12
b ) - 20 / 35 + 16 / 24
c ) - 3 / 9 + - 6 / 15
d ) 3 / 13 - 4 / 10
e ) 5 / 17 - 9 / 15
g ) 9 / 18 - 6 / 15 + 3 / - 9
h ) 5 / 4 - 1 / 2 + - 7 / 8
Rút gọn P/S:
a) -315/540
b) 25*13 / 26*35
c) 6*9-2*17 / 63*3-119
d) 3*13-13*18 / 15*40-80
e) (-5)^3 * 40 * 4^3 / 135 * (-2)^14 * (-100)^0
f) 2929-101/2*1919+404
g) -1997*1996+1/(-1995)*(-1997)+1996
h) 2*3+4*6+14*21/3*5+6*10+21*35
i) 3*7*13*37*39-10101/505050-70707
a 12 – 34 b 23 – 47 c 31 – 23 d 9 – 5 e 4 – 15 25 f 23 13 17 57 g 4 . 9 6 . 12 – 7 h 14 6 19 14 19 i 56 – 8. 27 7 j 8 5 . 2 – 3 6 k 4 . 3 125 . 25 8 l 9 6 . 3 – 4 7 m 45. 18 – 15 – 18. 45 – 15
1+2+3+4+5+6+7+8+9+10=
11+12+13+14+15+16+17+18+19+20=
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+30-50-53=
bạn5 bạn nào làm nhanh mình sẽ tích cho bạn đó
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
a,9/4-[-11}/-4
b, 7/8-3/-8-1/8
c,-5/21-25/21-[-1]/21
d, 18/24-35/-10
e, 3/7-11/14-19/28
g, 5/-{-2}/3-1/12
h, 3/17-{-5}/13-{-18}/35-14/17-17/{-35}-{-8}/13