问题 解答题
125×32×25×944×25
102×28308×81+308×20-308
96000÷125÷825×89×4.
答案

(1)125×32×25×9

=(125×8)×(4×25)×9

=1000×100×9

=900000;

(2)44×25

=40×25+4×25

=100+100

=1100;

(3)102×28

=100×28+2×28

=2800+56

=2856;

(4)308×81+308×20-308

=308×(81+20-1)

=308×100

=30800;

(5)96000÷125÷8

=96000÷(125×8)

=96000÷1000

=96;

(6)25×89×4

=25×4×89

=100×89

=8900.

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