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.