题目内容
计算(0.28+0.28+0.28+0.28)×2.5既简便又准确的方法是
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A.0.28×2.5+0.28×2.5+0.28×2.5+0.28×2.5
B.0.28×4×2.5
C.0.28×(4×2.5)
D.0.28×(2.5+4)