问题 解答题
能简算的要简算
99×85+85
563+88+437+12
36×19-9×3655×101
5583-(32+583)[294-(36+28)]-45
5600÷25÷4250÷8×4.
答案

(1)99×85+85

=(99+1)×85

=100×85

=8500;

(2)563+88+437+12

=(563+437)+(88+12)

=1000+100

=1100;

(3)36×19-9×36

=36×(19-9)

=36×10

=360;

(4)55×101

=55×100+55×1

=5500+55

=5555;

(5)5583-(32+583)

=5583-583-32

=5000-32

=4968;

(6)[294-(36+28)]-45

=[294-64]-45

=230-45

=185;

(7)5600÷25÷4

=5600÷(25×4)

=5600÷100

=56;

(8)250÷8×4

=250×4÷8

=1000÷8

=125.

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