问题 解答题
3288-1999+212.769×101-769.7257-1044÷18×11.
39000÷60÷50.61×57-5040÷42.96×125×7×24.
答案

(1)3288-1999+212,

=3288-2000+1+212,

=1288+1+212,

=(1288+212)+1,

=1500+1,

=1501;

(2)769×101-769,

=769×(101-1),

=769×100,

=76900,;

(3)7257-1044÷18×11,

=7257-58×11,

=7257-638,

=6619;

(4)39000÷60÷50,

=39000÷(60×50),

=39000÷3000,

=13;

(5)61×57-5040÷42,

=3477-120,

=3357;

(6)96×125×7×24,

=96×7×3×125×8,

=96×7×3×(125×8),

=672×3×1000,

=2016×1000,

=2016000.

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