Răspuns :
Explicație pas cu pas:
226+651-140=
877-140=737
400+200-154=
600-154=446
826-321+280=
505+280=785
556-56+120=
500+120=620
180-12-69=
168-69=99
441-120-200=
321-200=21
886-258+49=
528+49=577
130+130+130=
260+130=390
800-200+36=
600+36=636
451-400+120=
51+120=171
331+100-100=
431-100=331
450+450+100=
900+100=1000
Sper că te-am ajutat!
226+651-140= 877-140=737
400+200-154=600-154=446
826-321+280=785
556-56+120=620
180-12-69=99
441-120-200=121
886-258+49=677
130+130+130=390
800-200+36=636
451-400+120=171
331+100-100=331
450+450+100=1000
400+200-154=600-154=446
826-321+280=785
556-56+120=620
180-12-69=99
441-120-200=121
886-258+49=677
130+130+130=390
800-200+36=636
451-400+120=171
331+100-100=331
450+450+100=1000