Question

Calculează In doud moduri
b) 5 (63 - 12)
a) (245 + 329) x 2
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Answer 1

Explicație pas cu pas:

1)Mod 1.

5×(63-12)=5×51=255

2)Mod 2.

5×63-5×12=315-60=255

1)Mod 1.

(245+329)×2=574×2=1 148

2)Mod 2.

245×2+329×2=490+658=1 148