Răspuns
6050:5x2-4204:4-1023=
= 1210x2 - 1051 - 1023 =
2420-1051-1023 = 1369-1023 = 346
4702x2-1680:7x2+1267=
= 9404-240 x 2 + 1267 =
= 9404 - 480 + 1267 =
= 8924 + 1267 = 10191
6390:9x2-1503:3+128:4=
= 710 x 2 - 501 + 32
= 1420 - 501 + 32 =
= 919 + 32 = 951
