Plz answer me anyone

1 replaces the question mark.

Step-by-step explanation:

5+8+7=20+1=21

do mark my answer as brainliest

the answer I got is 8 but I'm not sure if it's right though

Step-by-step explanation:

step1) you count each side of the last layer E.g the first line :7+5+5=17 then, 5+7+6=18 and 7+8+3=18

step2) from this u can c tat both sides(7,8,3) and (5,7,6) have the same amount of number which is 18

step3) so from this , what I'm doing is basically assuming tat the line (7,5,5) and (3,?,6) will add up to the same number which is 17

step4) thus we use 17 - 6 - 3 =8

6mm^3 or .6cm^3

      216

      /   \

  36     6

  /   \     /

6     6   6

factor trees are nice.

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step-by-step explanation: