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12. (Cube root -1728)(cube root 2197)
= ( -12)(13)
= -156
13.cube root 64 - cube root 125 + cube root 343
= 4 - 5 +7
= 11-5
= 6
14. cube root (0.512/0.343)÷ √(0.64/0.49)+1
= (0.8 /0.7) ÷ (0.8/0.7)}+1
= 1 +1
=2
= ( -12)(13)
= -156
13.cube root 64 - cube root 125 + cube root 343
= 4 - 5 +7
= 11-5
= 6
14. cube root (0.512/0.343)÷ √(0.64/0.49)+1
= (0.8 /0.7) ÷ (0.8/0.7)}+1
= 1 +1
=2
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