390+4900:k=460
4900:k=460-390
4900:k=70
k=4900:70
k=70
390+4900:70=460
13:12=1,23

230•a+40=10000:20
230•a+40=500
230•a=500-40
230•a=460
a=460:230
a=2
230•a+40=10000:20
13:12=1,34

Question

Математика: 390+4900:k=460 4900:k=460-390 4900:k=70 k=4900:70 k=70 390+4900:70=460 230•a+40=10000:20 230•a+40=500 230•a=500-40 230•a=460 a=460:230 a=2 230•a+40=10000:20

Данил22335 · Answer

390+4900:k=4604900:k=460-3904900:k=70k=4900:70k=70390+4900:70=46013:12=1,23230•a+40=10000:20230•a+40=500230•a=500-40230•a=460a=460:230a=2230•a+40=10000:2013:12=1,34...

390+4900:k=460 4900:k=460-390 4900:k=70 k=4900:70 k=70 390+4900:70=460 230•a+40=10000:20 230•a+40=500 230•a=500-40 230•a=460 a=460:230 a=2 230•a+40=10000:20

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390+4900:k=460 4900:k=460-390
4900:k=70
k=4900:70
k=70
390+4900:70=460

230•a+40=10000:20
230•a+40=500
230•a=500-40
230•a=460
a=460:230
a=2
230•a+40=10000:20