题目内容
计算0.516×68.6+5.16×______=51.6.
0.516×68.6+5.16×( )
=5.16×6.86+5.16×( )
=5.16×[6.86+( )]
=51.6,
51.6÷5.16=10,
10-6.86=3.14.
故答案为:3.14.
=5.16×6.86+5.16×( )
=5.16×[6.86+( )]
=51.6,
51.6÷5.16=10,
10-6.86=3.14.
故答案为:3.14.
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