直接写得数．
345+233= 45×11= 527﹣398= 235﹣47﹣53=
0.78+1.32= 
= 2.56+1.4= 1.9×4×0.5=
3.67÷100= 3.25×1000= 0.125×0.8= 3.6+2.8+6.4=
6.08×304≈ 4838÷61≈ 15﹣2.55= 
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相关试题
直接写得数．
345+233= 45×11= 527﹣398= 235﹣47﹣53=
0.78+1.32= = 2.56+1.4= 1.9×4×0.5=
3.67÷100= 3.25×1000= 0.125×0.8= 3.6+2.8+6.4=
6.08×304≈ 4838÷61≈ 15﹣2.55= == = = =
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