问题 解答题
37+25+63250-167-33125×23×872×125
4×8×25×12525×(6+8)45×17+17×5563×98.
答案

(1)37+25+63,

=(37+63)+25,

=100+25,

=125;

(2)250-167-33,

=250-(167+33),

=250-200,

=50;

(3)125×23×8,

=(125×8)×23,

=1000×23,

=23000;

(4)72×125,

=9×(8×125),

=9×1000,

=9000;

(5)4×8×25×125,

=(4×25)×(8×125),

=100×1000,

=100000;

(6)25×(6+8),

=25×6+25×8,

=150+200,

=350;

(7)45×17+17×55,

=(45+55)×17,

=100×17,

=1700;

(8)63×98,

=63×(100-2),

=63×100-63×2,

=6300-126,

=6174.

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