Question

ex 32 Rezolva apoi verifica, efectuând proba in 3 moduri 405.202-11.422=. 900.919-5.259=. 16.789+13.123=. 29.992+810.119=​

Answer 1

Explicație pas cu pas:

405.202-11.422=393.780

proba:

405.202-393.780=11.422

393.780+11.422=405.202

11.422+393.780=405.202

900.919-5.259=895.660

proba:

900.919-895.660=5.259

895.660+5.259=900.919

5.259+895.660=900.919

16.789+13.123=29.912

proba:

13.123+16.789=29.912

29.912-13.123=16.789

29.912-16.789=13.123

29.992+810.119=840.111

proba:

810.119+29.992=840.111

840.111-810.119=29.992

840.111-29.992=810.119

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