Question

Решите пожалуйста!!!!!!!!!!!!!!!!

Answer 1

1.
a)√9*36=3*6=18
б)√16*900=4*30=120
в)√0.64*25=√16=4
г)√0.49*16=√7.84=√196/25=14/5=2 4/5=2.8
2.
а)√40*490=√19600=140
б)√18*32=√576=24
в)√12.1*0.4=√4.84=√121/25=11/5=2 1/5=2.2
3.
а)√2*√18=√36=6
б)√13*√52=√676=26
4.
а)√11^2+60^2=√121+3600=3721=61
б)√85^2-84^2=√(85-84)*(85+84)=√1*169=√169=13
5.
а)√49/64=√49/√64=√7^2/√8^2=7/8=0.875
б)√9/25=√9/√25=√3^2/5^2=3/5=0.6
в)√3 6/25=√18/25=√18/5=3√2/5
6.
а)√8/√50=√4/√25=2/5=0.4
б)√4.8/√0.3=√16=4