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1.38÷0.25x40简便计算
1.38
/
0.25
×40怎么简写?
答:
1.38
除以0.25乘以40的
简便计算
:1.38/
0.25x40
=(1.38x4)÷(0.25x4)x40(除法中遇25想4简便)=5.52÷1x40 =5.52x40 =5x40+0.5x40+0.02x40 =200+20+0.8 =220.8
1.38
/
0.25x40简便运算
答:
1.38
/
0.25x40
=(1.38x4)÷(0.25x4)x40(除法中遇25想4
简便
)=5.52÷1x40 =5.52x40 =5x40+0.5x40+0.02x40 =200+20+0.8 =220.8
1.38÷0.25
×40的
简便运算
答:
1.38÷0.25
×40 =1.38×4×40 =(1.4-0.02)×4×40 =(5.6-0.08)×40 =5.68×40 =5×40+0.6
x40
+0.08×40 =200+24+3.2 =227.2
<涓婁竴椤
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