Order of Operation/Properties - Pre-test

Which of the following is equal to (12 x 6) x 5? (12+6)X5; 12 x (6 x ... to 18(12 +
37)?. 18 + 12 + 37; 12(18 + 37); 18 x 12 + 37; (18 x 12) + (18 x 37) ... 1 x (6-(1+9))
.

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