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44x22十33x4简便运算
88
x33
+
44x
55-11x88能
简便运算
吗?怎么做求解
答:
回答:11x11
x
(8x3+4x5-1x8) =11x11x(24+20-8) =11x11x36 =11x396 =4356
用
简便方法计算
3
33x
34+999
x22
答:
3
33X
34+999
X22
=333X34+(333X3)X22 =333X34+333X(3
X22
)=333X34+333X66 =333X(34+66)=333X100 =33300
用
简便方法计算
3
33x
34+999
x22
答:
3
33x
34+999
x22
=(333+1)x34-34+(999+1)
X22
-22 =334X34-34+1000
x22
-22 =(300+34)X34+22000-56 =10200+1156+22000-56 =333000
33x
26+11
x22简便计算
答:
解:11x3
x
26+11×22=11×78+11×22=11×(78+22)=1100
11
x22
+o.22x
33
oo+33o
x4.4
怎么用
简便方法计算
答:
11×22+0.22×3300+300×
4.4
=11×22+22×
33
+30×0.2×22 =11×22+22×33+6×22 =(11+33+6)×22 =50×22 =50×2×11 =100×11 =1100
11
x22
+0.22x3300+330
x4.4
的
简便
方法?
答:
计算
过程:=11
x22
+0.22x100
x33
+
4.4x
5x66 =11x22+22x33+22x66 =22x(11+33+66)=22x(100+
10
)=2200+220 =2420
121×
33
−120×22怎样
简便运算
怎样算?
答:
一百二十一乘以三再乘以十一减去一百二十乘以二再乘以十一。三百六十三乘以十一减去二百四十乘以十一。三百六十三减去二百四十等于一百二十三,一百二十三乘以十一等于一千三百五十三。
简便计算
99
x22
+99
x33
答:
回答:99✘(22+
33
)
56
x22
+56
x33
+56×
44
答:
=56×(22+
33
+
44
)=56×99 =56×(100-1)=5600-56 =5544
ll
x22十
0.22
x33
oo十330
x4.4
的
简便
方法
答:
11×22+0.22×3300+300×
4.4
=11×22+22×
33
+30×0.2×22 =11×22+22×33+6×22 =(11+33+6)×22 =50×22 =50×2×11 =100×11 =1100
棣栭〉
<涓婁竴椤
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涓嬩竴椤
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