用简便方法计算99x47
展开全部
99x47的简便运算怎么算 - : 99x47 =(100-1)x47 =100x47-1x47 =4700-47 =4653 展开全部 100*47-1*47=4700-47=4653 的过程 100*47-1*47 (100-1)*...
紧急!求下列算式的答案!是简便计算!99x47+47 84x99+84 - :[答案] =47x(99+1) =47x100 =4700 =84x(99+1) =84x100 =8400
47/99x97用简便方法计算 - :[答案] 47/99*97 =47/99*(99-2) =47/99*99-47/99*2 =47-94/99 =46又5/99
99x47的简使便运算 - : 99X47 =(100-1)X47 =100X47-1X47 =4700-47 =4653 =(100-1)x47 =100x47-47 =4700-47 =4700-(50-3) =4700-50+...
用简便方法计算99X39十39怎么算 - : 39X(99+1)=39X100=3900 99X39十39 =﹙99+1﹚﹚*39 =100*39 =3900 99x39+39=99x39+99x1=99x(39+1)=99x40=3960 99...
谁能帮我把以下小学算式如何用简便方法计算啊?十分感谢 71.4/3.5/0.16 8.5+2.826/1.08 90.4/2.26 - 7.01 - : 12.3+17.7+10 11+12+12+13 4.5+4.5-1 72+80 36+74-28 (5%+70%)x6 72+84-15 99x101 74+70-13.2 (34%-3%)x7
用简便方法计算.99x7 77x9 33x18 - : 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”.
用简便方法计算.101乘以47减去47 - : 101x47一47=(101一1)X47=100X47=4700
紧急!求下列算式的答案!是简便计算!99x47+47 84x99+84 - :[答案] =47x(99+1) =47x100 =4700 =84x(99+1) =84x100 =8400
47/99x97用简便方法计算 - :[答案] 47/99*97 =47/99*(99-2) =47/99*99-47/99*2 =47-94/99 =46又5/99
99x47的简使便运算 - : 99X47 =(100-1)X47 =100X47-1X47 =4700-47 =4653 =(100-1)x47 =100x47-47 =4700-47 =4700-(50-3) =4700-50+...
用简便方法计算99X39十39怎么算 - : 39X(99+1)=39X100=3900 99X39十39 =﹙99+1﹚﹚*39 =100*39 =3900 99x39+39=99x39+99x1=99x(39+1)=99x40=3960 99...
谁能帮我把以下小学算式如何用简便方法计算啊?十分感谢 71.4/3.5/0.16 8.5+2.826/1.08 90.4/2.26 - 7.01 - : 12.3+17.7+10 11+12+12+13 4.5+4.5-1 72+80 36+74-28 (5%+70%)x6 72+84-15 99x101 74+70-13.2 (34%-3%)x7
用简便方法计算.99x7 77x9 33x18 - : 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”.
用简便方法计算.101乘以47减去47 - : 101x47一47=(101一1)X47=100X47=4700
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