
2.75-0.75ⅹ1.2脱式计算?
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2.75-0.75ⅹ1.2脱式计算
=0.25×11-0.25×3×1.2
=0.25×(11-3.6)
=0.25×7.4
=1.85
=0.25×11-0.25×3×1.2
=0.25×(11-3.6)
=0.25×7.4
=1.85
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2.75-0.75×1.2
=2.75-0.9
=1.85
=2.75-0.9
=1.85
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2.75-0.75ⅹ1.2
=2.75-3/4×1.2
=2.75-0.9
=2.75-(1-0.1)
=2.75-1+0.1
=1.85
=2.75-3/4×1.2
=2.75-0.9
=2.75-(1-0.1)
=2.75-1+0.1
=1.85
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