2300/25简便计算?34*52+34+68简便计算

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2300/25简便计算?34*52+34+68简便计算
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2300/25简便计算?34*52+34+68简便计算
2300/25简便计算?34*52+34+68简便计算

2300/25简便计算?34*52+34+68简便计算
①:2300/25
=2300/(100/4)
=2300/100*4
=92
②:34*52+34*68
=34*(52+68)
=34*120
=34*100+34*20
=3400+680
=4080

2300/25
= 23 * 100/25
=23*4
=92
34*52+34+68
= 34*52 + 34*1 + 34*2
= 34*(52+1+2)
= 34*55
= 34*5*11
=170*11
=1870