修一条水渠,计划每天修1/4千米,实际每天比计划多修千米,实际每天修多少千米?,t'S7i(k+V
算式:提示8N0M8D)_3r8L(R(c3G,t'S7i(k+V
答:实际每天修8Z*^/F(}千米。,t'S7i(k+V