1.28*0.59-0.28*0.59的簡便方法.

1.28*0.59-0.28*0.59的簡便方法.


0.59×（1.28-0.28）=0.59×1=0.59



22×47+42×53=______.


22×47+42×53，=1034+2226，=3260.故答案為：3260.



10 19 26 27 38 42 53 54 61這9個數怎樣才能把3個數相加的和等於90


10+19+61=90
10+26+54=90
10+26+54=90
10+38+42=90



（27分之4+36分之5）÷9分之5


六十分之三十一.31/60
（4/27+5/36）÷5/9
=31/108÷5/9
=31/60

Elden Ring Premiere

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