3.4x7一1.5简便算法

湛咬鸣26463.4*7*1.5的简便运算 -
齐封肤17548329799 ______ 3.4*7*1.5的简便运算 3.4*7*1.5 =23.8*1.5 =35.7

湛咬鸣26463.4X7X1.5的简便计算 -
齐封肤17548329799 ______ 3.4X7X1.5 =3.4*(1+0.5) =3.4+1.7 =5.1

湛咬鸣2646三点4乘7乘1点5用简便方法计算 -
齐封肤17548329799 ______ 3.4x7x1.5=3.4x1.5x7 =3.4x(1+0.5)x7 =(3.4+1.7)x7 =5.1x7 =35.7

湛咬鸣26463.4*7*1.5怎么简便计算呢? -
齐封肤17548329799 ______ =3.4÷2*7*3=1.7*21=1.7*20+1.7=34+1.7=35.7简便计算方式方法1.补数凑整法对于算式中接近整十、整百……的数,通过转化使其变成整十、整百……的数,加或减一个数的形式,可使计算简便.例如:536-198=536_(200_2)=536_200+2=...

湛咬鸣26463.4x7x1.5的简便运算怎么算 -
齐封肤17548329799 ______ 3.4x7x1.5=(3+0.4)*(1+0.5)*7=(3+0.4+1.5+0.2)*7=5.1*7=35.7

湛咬鸣26463.4*7*1.5简便算法 -
齐封肤17548329799 ______ 3.4*7*1.5=3.4*(1+0.5)*7=(3.4*1+3.4*0.5)*7=(3.4+1.7)*7=5.1*7=35.7

湛咬鸣26463.4x7x1.5的简便方法 -
齐封肤17548329799 ______ 3.4x7x1.5=3.4*10.5=3.4*10+3.4*0.5=34+1.7=35.7 满意采纳

湛咬鸣2646简便算3.4x7x1.5 -
齐封肤17548329799 ______ 简便算3.4x7x1.5 3.4x7x1.5 =7x1.5x3.4 =10.5x3.4 =10x3.4+0.5x3.4 =34+1.7 =35.7

湛咬鸣26463.4*7*1.5怎样用简便方法计算? -
齐封肤17548329799 ______ 3.4*7*1.5简便计算过程如下: 3.47x1.5 =3.4x(7x1.5) =3.4x10.5 =3.4x(10+0.5) =3.4x10+3.4x0.5 =34+1.7 =35.7 所以3.4*7*1.5简便计算的最后结果是35.7. 扩展资料: 简算常用方法 1、乘法交换律:乘法交换律是两个数相乘,交换因数的位置,...

湛咬鸣26463.4x7x1.5用简便方法计算 -
齐封肤17548329799 ______ 3.4*1.5*7