问题
解答题
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答案
(1)234-380+166,
=234+166-380,
=400-380,
=20;
(2)64×125
=125×8×8,
=1000×8,
=8000;
(3)16×25
=25×4×4,
=100×4,
=400;
(4)18×32+18×68
=(32+68)×18,
=100×18,
=1800;
(5)73-15+27-85
=(73+27)-(15+85),
=100-100,
=0;
(6)3000÷125÷8
=3000÷(125×8),
=3000÷1000,
=3.