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1. Calculati
a) 2×{92+8+ [1004+4•(8:2•2-4•2:2)]}
B) (2019•2018-2018•2017).2019°: 1^2018;. ajutor . dau coroana​

Răspuns :

Angelnycoask

Răspuns:

a) 2×(100+(1004+4(4×2-8÷2)))

=2x(100+(1004+4(8-4)))

=2×(100+(1004+4×4))

=2×(100+(1004+16))

=2×(100+1020)

=2×1120

=2240

b. (4074342-4070306)×1÷1=

4036x1÷1=4036

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