5.75加4.25乘2加78简便 0.75乘18除 - 知识问答

5.75加4.25乘2加78简便 0.75乘18除0.15减6.8简便

1个回答

5.75加4.25乘2加78
=5.75+8.5+78
=14.25+78
=92.25
0.75乘18÷0.15减6.8
=0.75÷0.15×18-6.8
=5×18-6.8
=90-6.8
=83.4

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