Results 11 to 20 of about 1,185,445 (242)
Variations in radiocarbon ages of various organic fractions in core sediments from Erhai Lake, SW China [PDF]
, 2003 Radiocarbon dating was performed for the extracted organic fractions (cellulose-rich and humic acid fractions of plant fragment; fulvic acid, humic acid and humin fractions of humus substance) and shell from core sediments of the Erhai Lake, SW China ...
Xu, S., Zheng, G.
core +9 more sources
Fractions avec une longueur, égalité, simplification
, 2016 Ensino Fundamental Final::MatemáticaL’objet présente la simplification des fractions en faisant usage de sa représentation graphique sur la ligne, où la fraction correspond à la longueur d'un segment [AB].
Dassonval, Roland
core +5 more sources
Fractions avec une longueur, égalité, simplification
, 2011 Ensino Fundamental Final::MatemáticaL’objet présente la simplification des fractions en faisant usage de sa représentation graphique sur la ligne, où la fraction correspond à la longueur d'un segment [AB].
Dassonval, Roland
core +5 more sources
Jurnal Elemen, 2022 Online learning for students requires high self-regulated learning to maximize problem-solving skills, especially in fractional material. However, elementary school students have not widely seen self-regulated learning and problem-solving abilities ...
Eva Yunida Wulandari, Fitri Alyani
doaj +1 more source
Continued fractions which correspond to two series expansions and the strong Hamburger moment problem [PDF]
, 2012 Just as the denominator polynomials of a J-fraction are orthogonal polynomials with respect to some moment functional, the denominator polynomials of an M-fraction are shown to satisfy a skew orthogonality relation with respect to a stronger moment ...
Sri Ranga, A.
core +2 more sources
Studies in Learning and Teaching, 2023 This study aims to describe the learning trajectories of male and female students in solving fraction problems. The research subjects consisted of a male student and a female student who had the same mathematical ability.
Muh Rizal +3 more
doaj +1 more source
Smarandache Continued Fractions [PDF]
, 2001 The theory of general continued fractions is developed to the extent required in order to calculate Smarandache continued fractions to a given number of decimal places.
Ibstedt, H.
core +1 more source
FRACTIONS: CONCEPTUAL AND DIDACTIC ASPECTS
Human Research in Rehabilitation, 2016 Fractions represent the manner of writing parts of whole numbers (integers). Rules for operations with fractions differ from rules for operations with integers. Students face difficulties in understanding fractions, especially operations with fractions.
Sead Rešić +2 more
doaj +1 more source
Individual Differences in Implicit and Explicit Spatial Processing of Fractions
Frontiers in Psychology, 2019 Recent studies have explored the foundations of mathematical skills by linking basic numerical processes to formal tests of mathematics achievement.
Elizabeth Y. Toomarian +2 more
doaj +1 more source
Evaluation of sperm quality in male rats treated with Sauropus androgynus (L.) merr. leaf fractions [PDF]
Pharmaciana, 2020 Sauropus androgynus (L.) Merr. or katuk is one of the medicinal plants broadly used in Indonesia as it has active compounds that can, among others, stimulate reproductive hormones. This study was aimed to determine which active fraction of S.
Ni Putu Ermi Hikmawanti +2 more
doaj +1 more source