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