问题 解答题

简便计算.

7846-(2846+152)

318+426+682

85000÷125

1503-998.

答案

(1)7846-(2846+152)

=7846-2846-152,

=5000-152,

=4848;

(2)318+426+682

=318+682+426,

=1000+426,

=1426;

(3)85000÷125

=(85000×8)÷(125×8),

=85000÷1000×8,

=680;

(4)1503-998

=1503-1000+2,

=503+2,

=505.

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