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Calculeaza respectand ordinea efectuarii operatiilor: 8x8+7x7= ; 45:5x6-42:6:7= ;7x9-4x8= ;200-9x9+8x7= ;4x2x6+36:7:3= ;157+72:8-6x8=

Răspuns :

8x8+7x7=64+49=113
45:5x6-42:6:7=9x6-7:7=54-1=53
7x9-4x8=63-32=31
200-9x9+8x7=200-81-56=63
4x2x6+36:7:3=48+6:3=48+2=50 (cred ca ai vrut sa scrii 6 in loc de 7,pentru ca altfel nu iese)
157+72:8-6x8= 157+9-48=118
8x8+7x7=113 
45:5x6-42:6:7=53
7x9-4x8=31
200-9x9+8x7=175
4x2x6+36:7:3=54,rest 3
157+72:8-6x8=118
Sper ca te-am ajutat.