问题
解答题
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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.