Home
О нас
Products
Services
Регистрация
Войти
Поиск
Lt26I
@Lt26I
June 2022
1
2
Report
решите 43 номер, пожалуйста.Нужно с решением и полными ответами.
Please enter comments
Please enter your name.
Please enter the correct email address.
Agree to
terms of service
You must agree before submitting.
Send
Answers & Comments
ndusha
Verified answer
А) 81*79=(80+1)(80-1)=80²-1²=6400-1=6399
б) 3,9*4,1=(4-0,1)(4+0,1)=4²-0.1²=16-0.01=15.99
в) 8 1/6* 7 5/6=(8+1/6)(8-1/6)=8²-(1/6)²=64-1/36=63 35/36
г)68²-2*68*8+8²=(68-8)²=60²=3600
д)76,4²+2*76.4*13.6+13.6²=(76.4+13.6)²=90²=8100
e)257²-143²=(257-143)(257+143)=114*400=45600
ж)21,3²-21.2²=(21.3-21.2)(21.3+21.2)=0.1*42.5=4.25
з) 72/(13²-11²)=72/(13-11)(13+11)=72/(2*24)=36/24=3/2=1.5
и)
=17*30=210
к)
л)
м)
н)
1 votes
Thanks 2
Lt26I
красаучег ваще
Lt26I
+rep
ndusha
:-)
More Questions From This User
See All
Lt26I
July 2021 | 0 Ответы
tex pozhalujsta obyasnite srochno chto da kak uchityvaya vse melochi i opishite
Answer
рекомендуемые вопросы
rarrrrrrrr
August 2022 | 0 Ответы
o chem dolzhny pozabotitsya v pervuyu ochered vzroslye pri organizacionnom vyvoze n
danilarsentev
August 2022 | 0 Ответы
est dva stanka na kotoryh vypuskayut odinakovye zapchasti odin proizvodit a zapcha
myachina8
August 2022 | 0 Ответы
najti po grafiku otnoshenie v3v1 v otvetah napisano 9 no nuzhno reshenie
ydpmn7cn6w
August 2022 | 0 Ответы
Choose the correct preposition: 1.I am fond (out,of,from) literature. 2.where ar...
millermilena658
August 2022 | 0 Ответы
opredelite kak sozdavalas i kto sozdaval arabskoe gosudarstvo v kracii
MrZooM222
August 2022 | 0 Ответы
ch ajtmanov v rasskaze krasnoe yabloko ispolzuet metod rasskaz v rasskaze opi
timobila47
August 2022 | 0 Ответы
kakovo bylo naznachenie kazhdoj iz chastej vizantijskogo hrama pomogite pozhalujsta
ivanyyaremkiv
August 2022 | 0 Ответы
moment. 6....
pozhalujsta8b98a56c0152a07b8f4cbcd89aa2f01e 97513
sarvinozwakirjanova
August 2022 | 0 Ответы
pomogite pozhalusto pzha519d7eb8246a08ab0df06cc59e9dedb 6631
×
Report "решите 43 номер, пожалуйста.Нужно с решением и полными ответами..."
Your name
Email
Reason
-Select Reason-
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Description
Helpful Links
О нас
Политика конфиденциальности
Правила и условия
Copyright
Контакты
Helpful Social
Get monthly updates
Submit
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
А) 81*79=(80+1)(80-1)=80²-1²=6400-1=6399б) 3,9*4,1=(4-0,1)(4+0,1)=4²-0.1²=16-0.01=15.99
в) 8 1/6* 7 5/6=(8+1/6)(8-1/6)=8²-(1/6)²=64-1/36=63 35/36
г)68²-2*68*8+8²=(68-8)²=60²=3600
д)76,4²+2*76.4*13.6+13.6²=(76.4+13.6)²=90²=8100
e)257²-143²=(257-143)(257+143)=114*400=45600
ж)21,3²-21.2²=(21.3-21.2)(21.3+21.2)=0.1*42.5=4.25
з) 72/(13²-11²)=72/(13-11)(13+11)=72/(2*24)=36/24=3/2=1.5
и)
=17*30=210
к)
л)
м)
н)