一台拖拉机，每分钟耕8亩地，7分钟耕多少亩地？9u,`-{:I8U1A/N
算式：提示5x't+i0L0h'Z1C)E;R9u,`-{:I8U1A/N
答；7分钟耕*C0p+Q0S1H-f亩地.。9u,`-{:I8U1A/N