№ 332
2) 1,4√289+19√625 =√1,4²*289+√19²*625=√1,96*289+√361*625=√566,44+√225625=23,8+475=498,8
4) 1/11√3025/4+23√36/529=√(1/11)²*3025/4+√23²*36/529=√121*3025/4+√529*36/529=√91506,25+√36=302,5+6=308,5
№333
2) √450√2-√48/√363=√450*2 - √48/363 (сократим на 3) =√900-√16/121 =30-4/11=330/11-4/11=326/11=29 целых 7/11
4) √2/5√42/11√77/15-3,2√1 9/16=√2/5*42/11*77/15-3,2√25/16=√6468/825-3,2*5/4=√7,84- 4=2,8-4=-1,2