356-147-100-53用简便方法计算
356-147-100-53用简便方法计算
=356-(147+53+100)
=356-300
=56
356-147-100 怎么用简便方法计算
356-147-100
=356-(146+1)-100
=356-146-1-100
=310-1-100
=309-100
=209
356-147-100-53怎样简演算法
356-147-100-53
=356-(147+53)-100
=356-200-100
=356-(200+100)
=356-300
=56
256-147-53用简便方法计算
256-147-53
=256-(147+53)
=256-200
=56
528-53件147用简便方法计算。
528-53-147用简便方法计算
=528-(53+147)
=528-200
=328
356-1四七-1零零-5三用简便方法怎么算356-(147+100+53)
356-(147+100+53)
=(356-100)-(147+53)
=256-200
=56
用简便方法计算356×2加356
用简便方法计算356×2加356
=356x(2+1)
=356x3
=400x3-44x3
=1200-132
=1068
356 391用简便方法计算
356+391=747
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用简便方法计算51 52 53 …98 99 100
用简便方法计算51 52 53 …98 99 100
51 52 53 …98 99 100
=(51+100)+(52+99)+...75
=151*50+75
=7625
用简便方法计算356+402
用简便方法计算356+402
356+402
=356+400+2
=756+2
=758
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