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125X16X25怎么简算
第三大题
怎么简便计算
,全部
答:
55x12+45x12 =(55+45)x12 =100x12 =1200 (12+25)x4 =12x4+25x4 =48+100 =148 31x126-31x26 =31x(126-26)=31x100 =3100 25x(20-4)=25x16 =25x4x4 =100x4 =400 302x5 =300x5+2x5 =1500+10 =1510 28x99+28 =28x(99+1)=28x100 =2800
125x16x
8x3 =(125x8)x(...
(
125x
99十125)
x16的简便计算
脱式计算
答:
2016-07-08 简便计算(125x99十125)x16 72 2015-04-17 (125x99x125)x16简便方法 8 2015-06-27 (129x99+125)x16的简便运算 12 2017-07-11 (
125X
99十125)X16 28 2020-04-09
125x16x
42脱式计算? 1 2015-03-27 88x125用简便计算(脱式计算)怎么算? 426 2016-07-11 125X50
x16简便计算
...
168
x125x16怎样简算
?
答:
回答:168
x125x16
=(168x2)x(125ⅹ8) =336x1000 =336000
3.75x1.2
x16
-
125x
0.12
x1.6简便计算
?
答:
解:3.75x1.2
x16
-125x0.12
x1.6
=3.75x1.2x16-
1.25x1
.2x16=(3.75-1.25)×1.2×16=
2.5
×1.2×16=3×16=48
3.75x1.2
x16
-
125x
0.12
x1.6简便计算
?
答:
3.75X1.2
X16
-125X0.12
X1.6
=3.75X1.2X1.6-
1.25X1
.2X16 =(3.75-1.25)X1.2X1.6 =2.5X1.2X1.6 =5X0.5X1.2X1.6 =(5X1.2)X(0.5X6)=
6X
3 =18
3.75x1.2
x16
-
125x
0.12
x1.6简便计算
?
答:
3.75x1.2
x16
-125x0.12
x1.6
=
1.25x1
.2x48-1.25x1.2x48 =0
3.75
x16
-
125
×0.12×0.16
简算
?
答:
3.75×16-
125
×0.12×0.16 =3.75×16-15×0.16 =375×0.16-15×0.16 =(375-15)×0.16 =36×1.6 =57.6
3.75x1.2
x16
-
125x
0.12
x1.6简便计算
?
答:
3.75×1.2×16-
125
×0.12×1.6 =3.75×1.2×16-
1.25
×10×10×0.12×1.6 =3.75×1.2×16-1.25×1.2×16 =(3.75-1.25)×16×1.2 =
2.5
×16×1.2 =2.5×4×4×1.2 =10×4.8 =48
棣栭〉
<涓婁竴椤
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