未分类题

计算99.75+199.75+2999.75+39999.75+1的值是( )。
A.4300.75
B.4400
C.43300
D.43299

A.75+199.75+2999.75+39999.75+1的值是(
B.4300.75
B.4400
C.43300
D.43299

【参考答案】

C
解析:原式=(99.75+0.25)+(199.75+0.25)+(2999.75+0.25)+(39999......

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