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(1000-10×10+9×9×10-8×10)÷5=

Răspuns :

(1000-10×10+9×9×10-8×10):5=

=(1000-100+81×10-80):5=

=(1000-100+810-80):5=

=(900+810-80):5=

=(1710-80):5=

=1630:5=326

Răspuns:

Explicație pas cu pas:

(1000-10×10+9×9×10-8×10):5=

(1000-100+81×10-80):5=

(1000-100+810-80):5=

(900+810-80):5=

(1710-80):5=

1630:5=326