问题
解答题
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答案
(1)4620+(401-438÷73)
=4620+(401-6)
=4620+395
=5015;
(2)168-52-48
=168-(52+48)
=168-100
=68;
(3)1300÷25÷4
=1300÷(25×4)
=1300÷100
=13;
(4)37+125+63+175
=(37+63)+(125+175)
=100+300
=400;
(5)99×56+56-462
=(99+1)×56-462
=100×56-462
=5600-462
=5138;
(6)(300-1456÷26)×32
=(300-56)×32
=244×32
=7808;
(7)8×(29×l25)
=(8×l25)×29
=1000×29
=29000;
(8)156×l0l-156
=156×(l0l-1)
=156×100
=15600.