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125X47怎么乘一下
47
减去2184除以56的商,所得的差去
乘125
,积是多少
答:
(
47
-2184/56)*
125
=(47-39)*125=8*125=1000
47X125x
8十25简便方法
答:
解:简便计算方法如下
47
×
125
×8+25 =47×(125×8)+25 =47×1000+25 =47000+25 =47025
简便计算以下课题
47乘
46加54
125乘
二乘四 25乘24 125乘48?
答:
(1)
47x
(46+54)=47x100 =4700;(2)
125x
2x4 =125x(2x4)=125x8 =1000;(3)25x24 =25x4x6 =100x6 =600;(4)125x48 =125x8x6 =1000x6 =6000。
用简便方法算一算 16
乘125
48乘99
47乘
101 58乘17+17乘42 35乘79+79+...
答:
16
乘125
=2×8×125 =2×1000 =2000 48乘99 =48×100-48 =4800-48 =4752
47乘
101 =4700+47 =4747 58乘17+17乘42 =(58+42)×17 =100×17 =1700 35乘79+79+79乘64 =79×(35+1+64)=79×100 =7900 367+367乘19 =367×(1+19)=367×20 =7340 ...
47x125
+76
x47
-47用简便方法
答:
47x125
+76
x47
-47 =47*(125+76-1)=47*200 =9400 望采纳 谢谢
887
乘125
减87乘125,求简便运算,梯等式的!
答:
887*
125
-87*125 =(887-87)*125 =800*125 =100000
125
减少它的1/5再
乘1
/2,积是多少?
答:
125减少它的1/5再
乘1
/2
125x
(1-1/5)x1/2 =125x0.8x0.5 =100x0.5 =50 望采纳,谢谢
求未知数x.
47x
÷14=
125x
-25%x=0.45 &n...
答:
(1)
47x
÷14=
125
167x=125 167x÷167=125÷167 x=2120;(2)x-25%x=0.45 75%x=0.45 75%x÷75%=0.45÷75% x=0.6;(3)14:310=18:x 14x=310×18 14x÷14=310×18÷14 x=320.
(
125x
25)x4
47x
102
如何
简算?
答:
=102x
125x
25X447 =12750x5x5x447 =63750x5x447 =318750x447 =318750x400+318750x40+318750x7 =12750000+1275000+2240250 =14025000+2240250 =14249250
47x125
+76
x47一
47?
答:
解:
47x125
+76
x47
-47 =47x[125+(76-1)]=47x[125+75]=47x200 =9400
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<涓婁竴椤
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