randRange(-2, 4, ROWS, COLS) randRange(-2, 4, ROWS, COLS) randFromArray(["+", "-"]) deepZipWith(2,function(e,r){return"+"===OPERATION?e+r:e-r},MAT_A,MAT_B) matrixPad(SOLN_MAT, 3, 3) BLUE GREEN PINK printSimpleMatrix(MAT_A,MAT_A_COLOR) printSimpleMatrix(MAT_B,MAT_B_COLOR) printMatrix(function(e,r){return e=colorMarkup(e,MAT_A_COLOR),r=colorMarkup(r,MAT_B_COLOR),e+OPERATION+r},MAT_A,MAT_B) printSimpleMatrix(SOLN_MAT,SOLN_MAT_COLOR)
\Large{ PRETTY_MAT_A + OPERATION + PRETTY_MAT_B = {?} }

Para encontrar la suma diferencia de dos matrices, suma resta el elemento correspondiente entre cada matriz.

\Large{PRETTY_HINT_MAT}

Ahora, simplifica:

\Large{PRETTY_SOLN_MAT}
elem elem
2 2
2 3
3 1
3 2