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用简便方法计算99.8×0.25
0.25乘九十九点八用简便方法计算
答:
0.25
*
99.8
=0.25*(100-0.2)=25-0.5 =24.5
0.25乘99.8的简便运算
答:
0.25
x99.8 =0.25x(100-0.2)=0.25x100-0.25x0.2 =25-0.05 =24.95 希望能帮到你!
0.25乘九十九点八用简便方法计算
答:
=
0.25×
100-0.25×0.2 =25-0.05 =24.95
99.8
x
0.25
用简便方法计算
答:
(100-0.2)
×0.25
=100×0.25-0.2×0.25 =25-0.05 =24.95
0.25
x9.9
简便计算
答:
=
0.25×
(10-0.1)=0.25x10-0.25x0.1 =2.5-0.25 =2.25
99.8
乘25怎么样才能
简便
答:
99.8X25=(100-0.2)X25=100X25-0.2X25=2500-5=2495
99.8
*25
的简便
用
算
怎么做
答:
99.8×
25 =(100-0.2)×25 =100×25-0.2×25 =2500-5 =2495
0.25
x98
的简便计算
答:
0.25x98 =
0.25×
(100-2)=0.25×100-0.25×2 =25-0.5 =24.5
9.6乘
0.25的简便方法计算
答:
9.6x
0.25简便计算
=(10一0.4)x0.25 =10x0.25一0.4x0.25 =2.5一0.1 =2.4
2.5
×99.8的简便计算
?
答:
2.5
×99.8
=2.5×(100-0.2)=2.5×100-2.5×0.2 =250-0.5 =249.5
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涓嬩竴椤
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