09+2.38-1.007=用简便运算 5.895 - 知识问答

09+2.38-1.007=用简便运算 5.895+6.08-9.97=用简便运算 0.1+0.2+0.3+.+1+1.

1个回答

6.09+2.38-1.007
=8.47-1.007
=7.463
用简便运算
5.895+6.08-9.97
=6-0.105+6+0.08-10+0.03
=2-0.105+0.11
=2.005
用简便运算
0.1+0.2+0.3+.+1+1.1+1.2+.+3
=（0.1+3）*30/2
=93/2
=46.5

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