3.4x71.5简便方法

步奚叔33383.4*7*1.5怎样用简便方法计算 -
冀禄湛19445722168 ______ 3.4x7x1.5=3.4x(7x1.5)=3.4x10.5=3.4x(10+0.5)=3.4x10+3.4x0.5=34+1.7=35.7 1. 简便计算是一种特殊的计算,它运用了运算定律与数字的基本性质,从而使计算简便,使一个很复杂的式子变得很容易计算出得数. 2. 简便计算中最常用的方法是乘...

步奚叔33383.4*7*1.5简便算法要有过程 -
冀禄湛19445722168 ______ 3.4x1.5x7等于3.57

步奚叔33383.4x7x1.5脱式计算 -
冀禄湛19445722168 ______ 3.4X7X1.5 =3.4X10.5 =3.4X10+3.4X0.5 =34+1.7 =35.7

步奚叔33383.4X7x1.5等于多少用简便方法 -
冀禄湛19445722168 ______[答案] 3.4X7x1.5 =1.7*7*(2*1.5) =11.9*3 =35.7

步奚叔33383.4x7x1.5对于5年级的小朋友们能简算吗?不能的 -
冀禄湛19445722168 ______ 3.4*7*1.5 =3.4*10.5 =3.4*(10+0.5) =3.4*10+3.4*0.5 =34+1.7 =35.7

步奚叔33383.4*7*1.5的简便运算 -
冀禄湛19445722168 ______ 3.4x7x1.5; =(3+0.4)x7x(1+0.5); =(21+2.8)x(1+0.5); =23.8x(1+0.5); =23.8+0.5; =24.3

步奚叔33383.4*7*1.简便算法 -
冀禄湛19445722168 ______ 3.4*7*1.5 =3.4*(7*1.5) =3.4*10.5 =3.4*(10+0.5) =3.4*10+3.4*0.5 =34+1.7 =35.7

步奚叔33383.4x7x1.5的简便运算 -
冀禄湛19445722168 ______ =3.4*1.5*7=5.1*7=35.7

步奚叔33383.4*7*1.5简便算法 -
冀禄湛19445722168 ______ 3.4x7x1.5 =1.7x2x7x3/2 =1.7x3x7 =5.1x7 =(5+0.1)x7 =35+0.7 =35.7

步奚叔33383.4乘7乘1.5简便计算
冀禄湛19445722168 ______ 3.4*7*1.5=1.7*2*7*1.5=1.7*7*(2*1.5)=1.7*(7*3)=1.7*21=35.7