7√32-8√18=
3√40-2√250=
3 ³√16-7 ³√54=
2 ³√128-5 ³√250=
5√24+3√54-2√600=
8√3+7√48+2√12=
4√20+3√500+2√80=
= 7*√(16*2) - 8*√(9*2) =
= 7*√16*√2 - 8*√9*√2 =
= 7*4*√2 - 8*3*√2 =
= 28√2 - 24√2 =
= 4√2
= 3*√(4*10) - 2*√(25*10) =
= 3*√4*√10 -2*√25*√10 =
= 3*2*√10 - 2*5*√10 =
= 6√10 -10√10 =
= - 4√10
= 3*∛(8*2) - 7*∛(27*2) =
= 3*∛8*∛2 - 7*∛27*∛2=
= 3*2*∛2 - 7*3*∛2=
= 6∛2 - 21∛2 =
= - 15∛2
= 2*∛(64*2) - 5*∛(125*2)=
= 2*∛64*∛2 - 5*∛125*∛2 =
= 2*4*∛2 - 5*5*∛2=
= 8∛2 -25∛2 =
= - 17∛2
= 5*√(4*6) + 3*√(9*6) - 2*√(100*6) =
= 5*√4*√6 + 3*√9*√6 -2*√100 *√6 =
= 5*2*√6 + 3*3*√6 - 2*10*√6 =
= 10√6 +9√6 -20√6 =
= 19√6 -20√6 =
= - √6
= 8√3 + 7*√(16*3) + 2*√(4*3) =
= 8√3 + 7*√16*√3 +2*√4*√3 =
= 8√3 +7*4*√3 + 2*2*√3 =
= 8√3 + 28√3 + 4√3 =
= 40√3
= 4*√(4*5) + 3*√(100*5) + 2*√(16*5) =
= 4*√4*√5 +3*√100*√5 + 2*√16*√5 =
= 4*2*√5 +3*10*√5 + 2*4*√5 =
= 8√5 + 30√5 + 8√5 =
= 46√5
7√32-8√18=7√16*2-8√9*2=7*4√2-8*3√2=28√2-24√2=4√2
3√40-2√250=3√4*10-2√25*10=3*2√10-2*5√10=6√10-10√10= -4√103 ³√16-7 ³√54=3³√8*2-7³√27*2=3*2³√2-7*3³√2=6³√2-21³√2= -15³√22 ³√128-5 ³√250=2³√64*2-5³√125*2=2*4³√2-5*5³√2=8³√2-25³√2= -17³√25√24+3√54-2√600=5√4*6+3√9*6-2√100*6=5*2√6+3*3√6-2*10√6=10√6+9√6-20√6
=19√6-20√6=-√68√3+7√48+2√12=8√3+7√16*3+2√4*3=8√3+7*4√3+2*2√3=8√3+28√3+4√3=40√34√20+3√500+2√80=4√4*5+3√100*5+2√16*5=4*2√5+3*10√5+2*4√5=
=8√5+30√5+8√5=46√5
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7√32-8√18=
= 7*√(16*2) - 8*√(9*2) =
= 7*√16*√2 - 8*√9*√2 =
= 7*4*√2 - 8*3*√2 =
= 28√2 - 24√2 =
= 4√2
3√40-2√250=
= 3*√(4*10) - 2*√(25*10) =
= 3*√4*√10 -2*√25*√10 =
= 3*2*√10 - 2*5*√10 =
= 6√10 -10√10 =
= - 4√10
3 ³√16-7 ³√54=
= 3*∛(8*2) - 7*∛(27*2) =
= 3*∛8*∛2 - 7*∛27*∛2=
= 3*2*∛2 - 7*3*∛2=
= 6∛2 - 21∛2 =
= - 15∛2
2 ³√128-5 ³√250=
= 2*∛(64*2) - 5*∛(125*2)=
= 2*∛64*∛2 - 5*∛125*∛2 =
= 2*4*∛2 - 5*5*∛2=
= 8∛2 -25∛2 =
= - 17∛2
5√24+3√54-2√600=
= 5*√(4*6) + 3*√(9*6) - 2*√(100*6) =
= 5*√4*√6 + 3*√9*√6 -2*√100 *√6 =
= 5*2*√6 + 3*3*√6 - 2*10*√6 =
= 10√6 +9√6 -20√6 =
= 19√6 -20√6 =
= - √6
8√3+7√48+2√12=
= 8√3 + 7*√(16*3) + 2*√(4*3) =
= 8√3 + 7*√16*√3 +2*√4*√3 =
= 8√3 +7*4*√3 + 2*2*√3 =
= 8√3 + 28√3 + 4√3 =
= 40√3
4√20+3√500+2√80=
= 4*√(4*5) + 3*√(100*5) + 2*√(16*5) =
= 4*√4*√5 +3*√100*√5 + 2*√16*√5 =
= 4*2*√5 +3*10*√5 + 2*4*√5 =
= 8√5 + 30√5 + 8√5 =
= 46√5
7√32-8√18=7√16*2-8√9*2=7*4√2-8*3√2=28√2-24√2=4√2
3√40-2√250=3√4*10-2√25*10=3*2√10-2*5√10=6√10-10√10= -4√10
3 ³√16-7 ³√54=3³√8*2-7³√27*2=3*2³√2-7*3³√2=6³√2-21³√2= -15³√2
2 ³√128-5 ³√250=2³√64*2-5³√125*2=2*4³√2-5*5³√2=8³√2-25³√2= -17³√2
5√24+3√54-2√600=5√4*6+3√9*6-2√100*6=5*2√6+3*3√6-2*10√6=10√6+9√6-20√6
=19√6-20√6=-√6
8√3+7√48+2√12=8√3+7√16*3+2√4*3=8√3+7*4√3+2*2√3=8√3+28√3+4√3=40√3
4√20+3√500+2√80=4√4*5+3√100*5+2√16*5=4*2√5+3*10√5+2*4√5=
=8√5+30√5+8√5=46√5