(90+510:30)x(80:4x5)=100 000-284x235=9 999+406x207=

Question

(90+510:30)x(80:4x5)=

100 000-284x235=

9 999+406x207=

Answer 1

(90+510:30)x(80:4x5)=107*100=10700

100 000-284x235=100 000-66740=33260

9 999+406x207=9 999+84042=94041