kamarraj460 Asked: December 2022 By usingsuitablegrouping,findthefollowingMultiplicationof3-and4-digitNumberstuslearnthemethodofmultiplying3-digitand4-digitnumbersby2-digitand3-digitnumber20, 5 x 79 x 2023, 36 * 4 * 12524. 2x107x5019. 2 * 36 * 522. 2 x 47