问题 解答题
4620+(401-438÷73)168-52-48
1300÷25÷437+125+63+175
99×56+56一462(300-1456÷26)×32
8×(29×l25)156×l0l-156.
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.

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