tinh bang canh thuan tien 60- 26,75 -13,25
tinh bang cach thuan tien:
432,71 - 287,36 - 112,64 60 - 26,75 - 13,25 (72,69 + 18,47) - ( 8,47 + 22,69)
432,71-287,36-112,64 60-26,75-13,25 (72,69+18,47)-(8,47+22,69)
=432,71-(287,36+112,64) =60-(26,75-13,25) =72,69+18,47-8,47-22,69
=432,71-400 =60-40 =72,69+10-22,69
=32,71 =20 =50+10
=60
..........tra loi nhanh minh cho 1
Tinh bang cach thuan tien : 13,25:0,5+13,25:0,25+13,25:0,125
13,25 :0,5+13,25:0,25+13,25:0,125
=13,25:(0,5+0,25+0,125)=13,25:0,875=13,25:7/8=13,25x8/7=106/7=15,14285714
Tim y
Y : 15 - 34,87 = 52,21 + 6
76,22 - y nhan 3 = 30 ,6 nhan 2.
Tinh bang cach thuan tien nhat
60-26,75-13,25.
38,25-18,25+ 21,64-11,64+9,93
Cac ban tra loi ho minh cau hoi tren nhe lay cac ban da
y:15-34,87=52,21+6
y:15-34,87=58,21
y:15 =58,21+34,87
y:15 =179,21
y =179,21*15
y =358,42
76,22-y*3=30,6*2
76,22-y*3=61,2
76,22-61,2=y*3
15,02 =y*3
15,02 :3 =y
5,00(3) =y
mình ko chắc nữa
tinh bang cach thuan tien nhat
13,25: 0,5 + 13,24: 0,25 + 13,25 : 0,125
ai nhanh va dung nhat minh se tik
\(13,25:0,5+13,24:0,25+13,25:0,125\)
\(=13,25\times2+13,24\times4+13,25\times8\)
\(=13,25\times\left(2+8\right)+13,24\times4\)
\(=13,25\times10+52,96\)
\(=132,5+52,96\)
\(=185,46\)
CHÚC BN HỌC TỐT!!
Bằng 185,46
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tinh bang canh thuan tien nhat : 7,8x0,35+0,35x2,1+0,35x0.1
7,8x0,35+0,35x2,1+0,35x0,1
=0,35x(7,8+2,1+0,1)
=0,35x10
=3,5
Đề bài :
Tính bằng cách thuận tiện nhất :
7,8 x 0,35 + 0,35 x 2,1 + 0,35 x 0,1
Bài làm :
7,8 x 0,35 + 0,35 x 2,1 + 0,35 x 0,1
= 0,35 x ( 7,8 + 2,1 + 0,1 )
= 0,35 x 10
= 3,5 .
tinh bang canh thuan tien
1/2010 + 4/2006 * 2010
1/2010*2010+4/2006
1/2010*2010/1+4/2006
1+4/2006
2010/2006
tinh
M=9/40-11/60+13/84-15/112
(giai bang cach thuan tien)
Tinh bang cach thuan tie nhat:
a)75,32 - 46,75 - 13,25...
giup mik voi
75,32 - 46,75 - 13,25 = 75,32 - (46,75 + 13,25) = 75,32 - 60 = 15,32
75,32 - 46,75 - 13,25 = 75,32 - ( 46,75 + 13,25 ) =75,32 - 60 = 15,32
tk nha
TINH BANG CACH THUAN TIEN NHAT
\(\dfrac{1}{3}+\dfrac{6}{5}-\dfrac{1}{5}+\dfrac{2}{3}=2\)