tinh cach hop ly nhat:
864.48-432.96:864.48.432
p/s: dau cham la nhan nhe
Những câu hỏi liên quan
TINH BANG CACH NHANH NHAT
2*6*11/33*24
21*45/9*7*5*3
DAU SAO LA DAU NHAN NHE.
CON DAU GACH LA GACH PHAN SO NHE.
\(\frac{2x6x11}{33x24}\) = \(\frac{12x11}{33x24}\) = 12 x 11 / 333 x 242 = \(\frac{1}{6}\)
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Tinh nhanh
3.25.8+4.37.6+2.38.12
Dau cham la dau nhan nhe cac ban
3.25.8+4.37.6+2.38.12
=24.25+24.37+24.38
=24.(25+37+38)
=24.100
=2400
chúc bạn học tốt :)!
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3.25.8+4.37.6+2.38.12
=24.25+24.37+24.38
=24.(25+37+38)
=24.100=2400
mik nha
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3.25.8+4.37.6+2.38.12
= 24 . 25 + 24 . 37 + 24 . 38
= 24( 25 + 37 + 38 )
= 25 .100
= 2500
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Xem thêm câu trả lời
tinh hop li
9,13+91,3+9,13*89
dau * la dau nhan nhe
nhanh giup minh mai minh nop roi ai xong truoc minh lien
\(9,13+91,3+9,13.89\)
\(=9,13.\left(89+1\right)\)
\(=821,7\) ko chắc :v
9,13+91,3+9,13x89
=9,13x(91,3+9)
=9,13x100,3
=915,739
Tinh tong sau bang cach hop ly:
B = 5/2.1 + 4/1.11 + 3/11.2 + 1/2.15 + 13/15.4
Ghi ca cach lam nhe ! Ai nhanh nhat, dung nhat tick lun !!!!!!
B= (5/2.1 + 4/1.11 + 3/11.2 )+(1/2.15 +13/15.4)
B= (55/22 + 8/22 + 3/22) + ( 2/4.15 + 13/15.4 )
B= 3 + 15/15.4 = 3+1/4 = 13/4
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Mot thung hinh hop chu nhat day la hinh vuong canh 3dm nguoi ta rot vao thung 54 lit dau thi mat tren cua dau cach mieng thung 2dm tinh chieu cao cua thung
MOt thung chua dau hinh hop chu nhat day la hinh vuong canh 3 dm nguoi ta rot vao thung 54 lit dau thi mat tren cach mieng thung 2dm tinh chieu cao cua thung
tinh gia tri cua bieu thuc:
A = \(\frac{55}{11.16}+\frac{55}{16.21}+\frac{55}{21.26}+\frac{55}{26.31}+\frac{55}{31.36}+\frac{55}{36.41}\)
* dau cham la dau nhan nhe
\(A=11x\left(\frac{5}{11x16}+\frac{5}{16x21}+\frac{5}{21x26}+\frac{5}{26x31}+\frac{5}{31x36}+\frac{5}{36x41}\right)\)
\(A=11x\left(\frac{16-11}{11x16}+\frac{21-16}{16x21}+\frac{26-21}{21x26}+...+\frac{41-36}{36x41}\right)\)
\(A=11x\left(\frac{1}{11}-\frac{1}{16}+\frac{1}{16}-\frac{1}{21}+\frac{1}{21}-\frac{1}{26}+...+\frac{1}{36}-\frac{1}{41}\right)\)
\(A=11x\left(\frac{1}{11}-\frac{1}{41}\right)=11x\frac{30}{11x41}=\frac{30}{41}\)
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A=\(\frac{55}{11.16}+\frac{55}{16.21}+...+\frac{55}{36.41}\)
A=\(11\left(\frac{1}{11}-\frac{1}{16}+\frac{1}{16}-\frac{1}{21}+...+\frac{1}{36}-\frac{1}{41}\right)\)
A=\(11\left(\frac{1}{11}-\frac{1}{41}\right)\)
A=\(11.\frac{30}{451}\)
A=\(\frac{30}{41}\)
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\(A=\frac{55}{11.16}+\frac{55}{16.21}+\frac{55}{21.26}+\frac{55}{26.31}+\frac{55}{31.36}+\frac{55}{36.41}\)
\(A=11\left(\frac{5}{11.16}+\frac{5}{16.21}+\frac{5}{21.26}+\frac{5}{26.31}+\frac{5}{31.36}+\frac{5}{36.41}\right)\)
\(A=11\left(\frac{1}{11}-\frac{1}{16}+\frac{1}{16}-\frac{1}{21}+\frac{1}{21}-\frac{1}{26}+\frac{1}{26}-\frac{1}{31}+\frac{1}{31}-\frac{1}{36}+\frac{1}{36}-\frac{1}{41}\right)\)\(A=11\left(\frac{1}{11}-\frac{1}{41}\right)\)
\(A=11.\frac{30}{451}=\frac{30}{41}\)
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(2016!+2017!):2016!3+7+11+...+2019(12!-13!+14!):(10.13.17)(2+9+16+23+...+659)
Xem chi tiết
nay dau cham o hai cau 2 va 3 la dau cham binh thuong con dau cham o hai cau 1 va 3 la dau nhan
Xin loi nhe may nha minh khong go dau duoc T.T
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hom nay la la ngay cuoi cung cua halloween roi nhe thong bao o dau vay cac ban va ket ban voi minh :tinh bang cach thuat tieng nhat 78+22-52=
