问题
解答题
计算下面各题.(能简算的要简算)
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答案
(1)40.5÷0.5+10.75,
=81+10.75,
=91.75;
(2)213.6÷0.8÷0.3,
=267÷0.3,
=890;
(3)39.22÷3.7×2.5,
=10.6×2.5,
=26.5;
(4)1.25×2.5×32,
=(1.25×8)×(2.5×4),
=10×10,
=100;
(5)0.24×103,
=0.24×100+0.24×3,
=24+0.72,
=24.72;
(6)13.7×5+6.3×5.
=(13.7+6.3)×5,
=20×5,
=100.