问题 解答题
计算下面各题,能简算的一定要简算.
700÷25125×32×227×45+55×27126÷[(105-98)×2].
答案

(1)700÷25,

=700÷(5×5),

=700÷5÷5,

=140÷5,

=28;

(2)125×32×2,

=125×8×4×2,

=(125×8)×(4×2),

=1000×8,

=8000;

(3)27×45+55×27,

=27×(45+55),

=27×100,

=2700;

(4)126÷[(105-98)×2],

=126÷[7×2],

=126÷14,

=9.

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