99+33x17的简便计算
国夜邹1071简便计算:99*22+33*34 333*666+999*778 51*24+1 -
匡戴毓15648992463 ______ 99*22+33*34 =33x2x22+33x34 =33x66+33x34 =33x(66+34) =33x100 =3300 333*666+999*778 =333x3x222+999x778 =999x222+999x778 =999x(222+778) =999x1000 =999000 51*24+1x28 =51x6x4+1x7x4 =306x4+7x4 =(306+7)x4 =313x4 =300x4+10x4+3x4 =1200+40+12 =1252 13x31+39x23 =13x31+13x3x23 =13x31+13x69 =13x(31+69) =13x100 =1300
国夜邹107199*78+33*66怎样简算最简单 -
匡戴毓15648992463 ______ 展开全部99x78+33x66=99x78+33x3x22=99x(78+22)=99x100=9900
国夜邹107199x77+33x67的简便方法怎样做 -
匡戴毓15648992463 ______ 99x77+33x67 =33x3x77+33x(100-33) =33x3x77+33x100-33x33 =33x(3x77+100-33) =33x298 =33x(300-2) =9900-66 =9834
国夜邹107199x7+77x9+33x18简便计算
匡戴毓15648992463 ______ 99*7+77*9+33*18 =99*(7+7+6) =99*20 =1980 你好,本题已解答,如果满意 请点右下角“采纳答案”.
国夜邹107199*33的简便计算: -
匡戴毓15648992463 ______ 99*33=(100-1)*33=100*33-33=3300-33=3267
国夜邹1071简便计算: 99*77+33*66
匡戴毓15648992463 ______ =99x77+33x3x22 =99x(77+22) =99x99 =99x(100-1) =9900-99 =9801
国夜邹107199*33+38用简便方法计算 -
匡戴毓15648992463 ______ 99*33+38用简便方法计算 99*33+38 =33*(99+1)+5 =33*100+5 =3305
国夜邹107199*36+36简便计算? -
匡戴毓15648992463 ______ 简便计算过程方法如下 解:99*36+36=(99+1)x36=100x36=3600
国夜邹107199+99÷3 - 15的简便运算? -
匡戴毓15648992463 ______ 99+33-15=100+33-16=117
国夜邹107199*38+99的简便计算 -
匡戴毓15648992463 ______ 99*38+38的简便计算99*38+38=38*(99+1)=38*100=3800