Решите плиз срочно надо. Created by Никита1570. matematika-ru

Решите плиз срочно надо...

July 2022 1 1 Report

Решите плиз срочно надо

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SaidaK09 1.
927-(267+×)=349
267+×=927-349
267+×=578
×=578-267
×=311
927-(267+311)=349
578=578
2.
(×+47)-17=49
×+47=49-17
×+47=32
×=47-32
×=15
(15+47)-17=49
49=49
3.
(×+263)-97=538
×+263=538+97
×+263=635
×=635-263
×=372
(372+263)-97=538
538=538
4.
67-(34+×)+56=73
33+×+56=73
33+×=73-56
33+×=17
×=33-17
×=16
67-(34+16)+56=73
73=73
5.
427-(×-444)=302
×-444=427-302
×-444=125
×=125+444
×=569
427-(569-444)=302
302=302
6.
342+(493-×)-261=285
835-×-261=285
835-×=285+261
835-×=546
×=835-546
×=289
342+(493-289)-261=285
285=285
7.
84-(124-(×+3))=28
×+3-124-84=24
×+3=40=24
×+3=16
×=16-3
×=13
84-(124-(13+3))=28
8.
98-((45+×)-38)=42
53+×-38=42
53+×=42-38
53+×=4
×=53-4
×=49
98-((45+49)-38)=42
42=42
9.
942-(×+442)=419
942-×+442=419
942-×=442-419
942-×=23
×=942-23
×=919
942-(919+442)=419
419=419
10.
(431-×)+712=946
431-×+712=946
431-×=946-712
431-×=234
×=431-234
×=197
(431-197)+712=946
946=946

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