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3.4x7×1.5的简便计算
3.4X7
X
1.5
得多少?
用简便
方法
计算
!
答:
3.4×
7
×1.5
=35.7 方法一:3.4×7×1.5 =34/10×7×3/2 =(17×7×3)/10 ={17×(20+1)}/10 =(340+17)/10 =357/10 =35.7 方法二:3.4×7×1.5 =(3+0.4)×1.5×7 =(3×1.5+0.4×1.5)×7 =(4.5+0.6)×7 =5.1×7 =35.7 ...
三点4×7×1点五
用简便
方法怎么算?
答:
简便计算
3.4x7
x
1.5
=3.4x(7x1.5)=3.4x10.5 =3.4x10+3.4x0.5 =34+1.7 =35.7
3.4×
7
×1.5简便计算
答:
解:
3.4x7
x
1.5
=2x1.7x7x1.5 =2x1.5x1.7x7 =3x11.9 =35.7
3.4×
7
×1.5
怎么
简算
答:
3.4×
7
×1.5的简便计算
怎么算 我来答 518姚峰峰 知道合伙人 知道合伙人认证行家 推荐于 2017-11-20 法一:
3.4x7
x1.5 =3.4x10.5 =3.4x(10+0.5)=3.4x10+3.4x0.5 =34+1.7 =35.7 法二:3.4×7×1.5 =1.7×7×2×1.5 =11.9×3 =35.7 法三:3.4*7*1.5 =(...
如何
简便计算3.4×
7
×1.5
??
答:
3.4×
7
×1.5
=
3.4x
(7x1.5)=3.4x10.5 =3.4x(10+0.5)=3.4x10+3.4x0.5 =34+1.7 =35.7。
3.4X7
X
1.5
简便计算
答:
(
3.4X1.5
)
X7
=5.1X7 =35.7
3.4x7
x
1.5的简便运算
答:
3.4X7
X
1.5
=1.7X2X7X(3÷2)=1.7X7X3 =11.9X3 =35.7
3.4x7
x
1.5简便计算
答:
3.4x7
x
1.5简便计算
=3.4x(7x1.5)=3.4x10.5 =3.4x(10+0.5)=3.4x10+3.4x0.5 =34+1.7 =35.7
3.4x7
x
1.5的简便计算
答:
解:
3.4x7
x
1.5
=3.4x10.5 =3.4x(10+0.5)=34+1.7 =35.7
3.4x7
x
1.5简便计算
答:
3.4×7×1.5 =
3.4×1.5
×7 =5.1×7 =35.7 你好,本题已解答,如果满意 请点右下角“采纳答案”。
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