Question

(10√2×√2/2)÷[(√6+√2)/4]等于多少

Answer 1

(10√2×√2/2)÷[(√6+√2)/4]=10×4/(√6+√2)=10×(√6-√2)

(10√2×√3/2)÷[(√6+√2)/4]=5×√6×4/(√6+√2)=5×√6(√6-√2)=10×(3-√3)