root225 + 4root81 - 8 3root216 + 15 5root32 .
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Answered by
0
15+4*9+8*6+15*2
15+36+48+30
51+78
129
Answered by
2
√225+4√81- 8 3√216+15 5√32
=15+3-8×6+15×2
=18-48+30
=48-48
=0
=15+3-8×6+15×2
=18-48+30
=48-48
=0
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