Помогите срочно!!!!!,!!!!

Question

Помогите срочно!!!!!,!!!!

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Answer 1

(2000:40)+70)х5)-480)=

(72900-900):800)х30)-2000)=

(56000:700)+120)х60):4000)=

Answer 2

2000:40=50+70=120•5=600-480.     72900-900=72000:800=90•30=2700-2000=700.  56000:700=80+120=200•60=12000:4000=3