解:36又3/4×1/7等于( 21/4 ),【即等于5.25】 ∵已知需求出36又3/4×1/7等于多少 X × Y = Z ∴36又3/4 × 1/7 = (36×4+3)/4 × 1/7 = 147/4 × 1/7 = 21/4 = 5.25 答:36又3/4×1/7等于21/4,【即等于5.25】
36又3/4×1/7=147/4 × 1/7=21/4