3个回答
展开全部
0.36+0.64x0.25用简便运算
0.36+0.64x0.25
=0.36+(0.8*0.5)*(0.8*0.5)
=0.36+0.16
=0.52
或
0.36+0.64x0.25
=0.36+4*0.25*0.16
=0.36+0.16
=0.52
0.36+0.64x0.25
=0.36+(0.8*0.5)*(0.8*0.5)
=0.36+0.16
=0.52
或
0.36+0.64x0.25
=0.36+4*0.25*0.16
=0.36+0.16
=0.52
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展开全部
=0.36+0.64x0.25
=0.36+(0.16x4)x0.25
=0.36+0.16x(4x0.25)
=0.36+0.16x1
=0.36+0.16
=0.52
=0.36+(0.16x4)x0.25
=0.36+0.16x(4x0.25)
=0.36+0.16x1
=0.36+0.16
=0.52
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