(1)原式=-1/100-10-√5
=-10.01-√5
(2)原式=2b√ab*(-3/2a√ab)÷3/a√ab
=-3ab√ab÷3/a√ab
=-a²b
(3)原式=1+√5/(√11-√13)
=1+√5*(√11+√13)/(11-13)
=1-1/2√55-1/2√65
(1)原式=-1/100-10-√5
=-10.01-√5
(2)原式=2b√ab*(-3/2a√ab)÷3/a√ab
=-3ab√ab÷3/a√ab
=-a²b
(3)原式=1+√5/(√11-√13)
=1+√5*(√11+√13)/(11-13)
=1-1/2√55-1/2√65