Why do pre-service teachers use the two-variable linear equation system concept to solve the proportion problem?

Z Wijayanto, SA Widodo - Journal of Physics: Conference …, 2019 - iopscience.iop.org
Pre-service teachers need a good understanding of proportion concept so that later they can
become teachers who can understand the concepts of mathematics to pre-service teachers …

[PDF][PDF] Why do pre-service teachers use the two-variable linear equation system concept to solve the proportion problem?

M Irfan, T Nusantara, S Subanji, Z Wijayanto… - researchgate.net
Pre-service teachers need a good understanding of proportion concept so that later they can
become teachers who can understand the concepts of mathematics to pre-service teachers …

Why do pre-service teachers use the two-variable linear equation system concept to solve the proportion problem?

M Irfan, T Nusantara, Z Wijayanto… - Journal of Physics …, 2019 - search.proquest.com
Pre-service teachers need a good understanding of proportion concept so that later they can
become teachers who can understand the concepts of mathematics to pre-service teachers …

Why do pre-service teachers use the two-variable linear equation system concept to solve the proportion problem?

M Irfan, T Nusantara, Z Wijayanto… - Journal of Physics …, 2019 - ui.adsabs.harvard.edu
Pre-service teachers need a good understanding of proportion concept so that later they can
become teachers who can understand the concepts of mathematics to pre-service teachers …