(1)0.25×1.25×4×8,=(0.25×4)×(1.25×8),=1×10,=10;(2)2.125× 1 4 +1.875÷4,=(2.125+1.875)× 1 4 ,=4× 1 4 ,=1;(3)(2.5-0.125)×0.8+6.24,=2...
脱式计算.0.25×1.25×4×8 2.125× 1 4 +1.875÷4 (2.5-0.125)×0.8+6.24
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