简便计算:34乘402

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简便计算:34乘402
简便计算:34乘402

简便计算:34乘402
=34*400+34*2
=13600+68
=133668

=34*400+34*2=3400+68=3468

=34*400+34*2=3400+68=3468

13668

34*402
=34*(400+2)
=34*400+34*2
=13600+68
=13668

=34*400+34*2
=13600+68
=133668

13668