Answer:
1. 3²+(2³÷4)+3×2-6
3²+(8÷4)+3×2-6
3²+2+3×2-6
9+2+3×2-6
9+3+6-6
12+6-6
18-6
=12
2. 12+(3²-6)+15
12+(9-6)+15
12+3+15
15+15
=30
3. (9+6)-6²+(72÷4)
15-6²+18
15+36+18
51+18
=69
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Answers & Comments
Answer:
1. 3²+(2³÷4)+3×2-6
3²+(8÷4)+3×2-6
3²+2+3×2-6
9+2+3×2-6
9+3+6-6
12+6-6
18-6
=12
2. 12+(3²-6)+15
12+(9-6)+15
12+3+15
15+15
=30
3. (9+6)-6²+(72÷4)
15-6²+18
15+36+18
51+18
=69