问题 解答题
7963-500×84800-578-1422536+377+64
5×200+732700÷70+3609421-270÷90.
答案

(1)7963-500×8,

=7963-4000,

=3963;

(2)4800-578-1422,

=4800-(578+1422),

=4800-2000,

=2800;

(3)536+377+64,

=(536+64)+377,

=600+377,

=977,

(4)5×200+732,

=1000+732,

=1732;

(5)700÷70+3609,

=10+3609,

=3619;

(6)421-270÷90,

=421-3,

=418.

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