Question

х:8=800×10
х×8=800×10
700:х=7×100

Answer 1

х:8=800×10. х×8=800×10
х:8=8000. х×8=8000
8000×8. 8000:8
х=64000 х=1000
___________ ______________
64000:8=800×10. 1000×8=800×10

700:х=7×100
700:х=700
700:700
х=1
_____________
700:1=7×100