1. Which of the following is not true? * 1 point
(1) 8+(7+2)=(8 + 7) + 2
(2) (3:2).5=3.(2.5)
(3) 8(5+2) = 8.5+8.2
(4) (10 – 4) – 2 =10–(4 – 2)
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