Polish purple laminated letterboard with maths on reverse

Cov ncuav qab zib tseem ceeb

Cov ncuav qab zib tseem ceeb yog qhov tseem ceeb rau kev ua haujlwm kom muaj kev nyab xeeb thiab raug ntawm peb lub vev xaib thiab cov txheej txheem sau npe.

Cov ncuav qab zib ua haujlwm tau zoo

Cov ncuav qab zib ua haujlwm nco ntsoov koj cov kev nyiam rau peb lub vev xaib thiab ua kom nws hloov kho tau.

Cov ncuav qab zib ua tau zoo

Cov ncuav qab zib ua tau zoo saib xyuas kev ua haujlwm ntawm peb lub vev xaib.

Kev lag luam / cov ncuav qab zib sab nraud

Cov ncuav qab zib lag luam tso cai rau peb ntsuas thiab tshuaj xyuas kev ua tau zoo ntawm peb lub vev xaib.

Polish purple laminated letterboard with maths on reverse

Cov chaw teeb tsa siab heev