1)√146,5²-109.5²+27×256 2)√117.5²-26.5²-1440

Question

1)√146,5²-109.5²+27×256
2)√117.5²-26.5²-1440

Answer 1

1)
√146,5²-109,5²+27*256=√(146,5-109,5)(146,5+109,5)+27*256=
=√37*256+27*256=√256(37+27)=√256*64=√256*√64=16*8=128
Ответ:128
2)
√117,5²-26,5²-1440=√(117,5-26,5)(117,5+26,5)-1440=√91*144-1440=
=√144(91-10)=√144*81=√144*√81=12*9=108
Ответ:108