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1600乖125怎么巧算

1600乘125怎么巧算? 1600x125 =200x8x125 =200x(8x125) =200x1000 =200000

1600除以24巧算 1600/(8*3)=200/3 1600/8=200 200/3

1600÷25×4 =(1600×4)÷(25×4)×4 =6400÷100×4 =64×4 =256

1600×64 =320×5×64 =320×320 =102400

1600除以32 二1600除以8除以4 二200际以4 二50

16✘1200+160✘540+1600✘34 =1600*12+1600*54+1600*34 =1600*(12+54+34) =1600*100=160000

1600+800÷20-40×7的巧算 1600+800÷20-40×7 =1600+40-280 =1600-240 =1360

1600x25巧算 解:根据拆分法和结合律的运用, 原式=400x4x25 =400x100 =40000

原式=40*40+40*1-40*7=40*(40+1-7)=40*34=40*(30+4)=1200+160=1360

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