一点二五乘二百一十三乘零点八 简算
一点二五乘二百一十三乘零点八 简算
1.25*212*0.8
=1.25*0.8*213
=213
零点八乘三十三乘一点二五简算
原式
=0.8x33x1.25
=(0.8x1.25)x33
=1x33
=33
一点二五乘三点六乘零点八列算式
一点二五乘三点六乘零点八列算式
一点二五乘三点六乘零点八
=1.25*0.8*3.6
=1*3.6
=3.6
用简便一点二五乘三点二乘零点八等于
1.25X3.2X0.8
=(1.25X0.8)X3.2
=1X3.2
=3.2
一点二五乘零点二五乘零点三二求速算
1.25*0.25*0.32
=1.25*0.25*0.8*0.4
=(1.25*0.8)*(0.25*0.4)
=1*0.1=0.1
六点四乘零点二五乘一点二五简算怎么弄
6.4x0.25x1.25
=0.2x4x8x0.25x1.25
=0.2x(4x0.25)x(8x1.25)
=0.2x1x10
=2
三点二五乘一点八加一点二五乘零点一八
3.25*1.8+1.5*0.18
=3.25*1.8+0.15*1.8
=(3.25+0.15)*1.8
=3.4*1.8
=6.12
零点二五乘64乘一点二五乘二怎么巧算
0.25×64×1.25
=0.25×(4×2×8)×1.25
=(0.25×4)×2×(8×1.25)
=1×2×10
=20
101乘十八减二减一点二五乘十八点二乘零点八怎么写
101乘十八减二减一点二五乘十八点二乘零点八
=101x18.2-1.25x18.2x0.8
=101x18.2-1x18.2
=(101-1)x18.2
=100x18.2
=1820
负十三乘一百二十五减十三乘二百一十六加负十三乘负三百零一怎么算
-13*125-13*216+(-13)*(-301)=-13*(125+216-301)=-13*40=-520