Question

completati cu o cifra astfel incit rezultatul obtinut sa fie divizibil cu 5 a)25?+18=    b)4??+327=
c)3?1+14=  d)400+2?=

Answer 1

a)25?+18=
252+18=270
257+18=275
b)4??+327=
403+327=730
413+327=740
423+327=750
433+327=760
443+327=770
453+327=780
463+327=790
473+327=800
483+327=810
493+327=820

408+327=735
418+327=745
428+327=755
438+327=765
448+327=775
458+327=785
468+327=795
478+327=805
488+327=815
498+327=825


c)3?1+14=
301+14=315
311+14=325
321+14=335
331+14=345
341+14=355
351+14=365
361+14=375
371+14=385
381+14=395
391+14=405

d)400+2?=
400+20=420
400+25=425