
3.14×16×18+3.14x(16÷2)平方2?
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3.14×16×18+3.14x(16÷2)²
=3.14x8x2x18+3.14x8x8
=3.14x8x(36+8)
=25.12x44
=25.12x4x11
=100.48x(10+1)
=1004.8+100.48
=1105.28
=3.14x8x2x18+3.14x8x8
=3.14x8x(36+8)
=25.12x44
=25.12x4x11
=100.48x(10+1)
=1004.8+100.48
=1105.28
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