Question

[Nguyễn Bảo Ngân]

Tính giá trị biểu thức:

c) 111 x 345 + 111 x 543 + 11 x 112

b) ( 2022 - 1550 ) x 202

Answer 1

[☞Cʉ★Miɳɧ]

c) 111x345+111x543+11x112

 = 111x(345+112+543+11)

= 111 x 1011

= 11121

b)(2022-1550)x202

= 472x202

=   95344

Answer 2

[ღ₣ąкë ₤๏νëღ]

c.111x345+111x534+11x112

=111x345+111x534+11x(111+1)

=111x345+111x534+11x111+11x1

=111x345+111x534+11x111+11

=111x(345+534+11)+11

=111x890+11

=98790+11

=98801

b.(2022-1550)x202

=472x202

=95344