5+(-15)+(-25)+35+45+(-55)+(-65)+.....+1995+2005
5 + (-15) + ( -25) + 35+ 45 +(-55) + (-65) +... + 1995 +2005
Tính nhanh
A = 5 + (-15) + (-25) +35 + 45 +(-55) (-65) + ....+ 2005 + (-2010)+ (-2015)
tính
5+(-15)+(-25)+35+45+(-55)+9+(-65)+......+1995+2005
tính nhanh nha
thank you so muck
a) A= [(32.52.43) ; ( 23.32)] . 20050
b) G = (516+165) ( 317-310) ( 24-42)
c) H = ( 52007 -52006) : ( 52005.5 )
d) M= 5 + (-15) + ( -25) + 35+ 45 +(-55) + (-65) +... + 1995 +2005
CÁC BẠN ƠI GIÚP MÌNH NHÉ , HEHE
A=0,24x450+0,8x15x3+3x3x8/65-60+55-50+45-40+35-30+25-20+5
tinh nhanh .
12.5.8.2.9=..............?
25.4.6.5=............?
175+65+35+25=.................?
25+45+75+55+100=...............?
a, 29 + 131 + 237 + 763 b, 65 + 327 + 15 + 73 c, 12+ 54:18 - 8
d.45.58+ 45.42 e) 35 . 34 + 35 . 26+ 40.35 f. 65 . 25 + 65 . 45+ 30.65
g) 750 : {32 – [ 22 + (5. 32 – 42)]} + 100 h) {630 : [16 + 3.(6 + 3. 4)]} – 1
i) 5871: [928 – ( 247- 82). 5] + 21750 k) 375 : {32 – [ 4 + (5. 32 – 42)]} – 14
35+45+(-55)+...+1995+(-2005)
