125×32×25×944×25102×28308×81+308×20-30896000÷125÷825×89×4.

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

热搜:钻石折射率大于1.81是什么意思

答案解析

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  • (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.