99✖️101简便计算
99✖️101 =(100-1)x(100+1)=100²-1²=10000-1 =9999
999✖️999用简便方法计算
999✖️999 =(1000-1)×(1000-1)=(1000-1)^2 =1000000-2000+1 =998000+1 =998001
98✖️101用地等式怎么算?
简便计算 98✖️101 =98x(100+1)=98x100+98 =9800+98 =9898
999✖️999+48怎么算?
简便计算 999✖️999+48 =(1000-1)*999+48 =1000*999-1*999+48 =999000-999+48 =998001+48 =998049
999✖️999➕1999简便方法?
999✖️999➕1999 =999✖️999➕999+1000 =999*(999+1)+1000 =999000+1000 =1000000
999➕999✖️99的简便算法?
999➕999✖️99 =999(1+99)=999*100 =99900
999十999✖️999用简便方法
...=999*(999+1)=999*1000=999000
999✖️66➗54➗37怎么简便算?
999✖️66➗54➗37 =(1000-1)x66\/(54x37)【用2约分】=(1000-1)x33\/(27x37)=(33000-33) \/(27x37)=32967 \/(27x37)【用9约分】=3663\/(3x37)【用3约分】=1221\/37 【用37约分】=33
99✖️121简便方法?
简便计算过程方法如下 解:99×121 =(100-1)x121 =100x121-121 =12100-121 =11979
64✖️111➕999✖️4简便方法
64✖️111➕999✖️4简便方法 =111×(64+36)=111×100 =11100