问题 解答题
计算,能简算的要简算:
1234+700+30026+(89+74)48×25
85×199+8569×27+27×31700÷4÷25.
答案

(1)1234+700+300,

=1234+(700+300),

=1234+1000,

=2234;

(2)26+(89+74),

=26+74+89,

=100+89,

=189;

(3)48×25,

=12×4×25,

=12×(4×25),

=12×100,

=1200;

(4)85×199+85,

=85×(199+1),

=85×200,

=17000;

(5)69×27+27×31,

=(69+31)×27,

=100×27,

=2700;

(6)700÷4÷25,

=700÷(4×25),

=700÷100,

=7.

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