问题 解答题

用递等式计算.

8.37+5.95-(6.52+3.44)

14×27+2400÷25

18吨一9吨40千克十35吨6千克(用小数计算)

224+76×42÷28.

答案

8.37+5.95-(6.52+3.44),

=8.37+5.95-9.69,

=14.32-9.69,

=4.63;

14×27+2400÷25,

=378+96,

=474;

18吨一9吨40千克十35吨6千克,

=18-9.04+35.006,

=8.96+35.006,

=43.966(吨);

224+76×42÷28,

=224+3192÷28,

=224+114,

=338.

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