3.2ⅹ0.47 9.6x0.21 1的简便运算?
3个回答
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3.2ⅹ0.47+9.6x0.21
=3.2x0.47+3.2x3x0.21
=3.2x0.47+3.2x3x0.21
=3.2x0.47+3.2x0.63
=3.2x(0.47+0.63)
=3.2x1.1
=3.52
=3.2x0.47+3.2x3x0.21
=3.2x0.47+3.2x3x0.21
=3.2x0.47+3.2x0.63
=3.2x(0.47+0.63)
=3.2x1.1
=3.52
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=3.2×0.47+3.2×0.63
=3.2×(0.47+0.63)
=3.2×1.1
=3.2×1+3.2×0.1
=3.2+0.32
=3.52
=3.2×(0.47+0.63)
=3.2×1.1
=3.2×1+3.2×0.1
=3.2+0.32
=3.52
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=3.2*(并慧0.47+3*0.21)+1
=3.2*(0.47+0.63)绝拿答敏毁+1
=3.2*1.1+1
=3.52+1
=4.52
=3.2*(0.47+0.63)绝拿答敏毁+1
=3.2*1.1+1
=3.52+1
=4.52
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