负数乘除法口算题

1.5×4=2.5×4=0.13×4=2.4-0.8=5.4÷10=4.2×1000=0.45÷0.15=3.6÷0.1=O.75+0.8=8.5×100=3.2÷100=0.18×0.3=8.5÷1

1.8x2.52.8x0.470.48x3.29.12x0.240.27x1.825.3x5.250.9x85400x2.5543.3x2.64.28x2.44036x2.528.6x.8.522.9

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1.(1+1/2)(1+1/3)(1+1/4).(1+1/100)2.(1-1/2)(1-1/3)(1-1/4).(1-1/100)3.8+2-8+24.25*4/25*45.7.26-(5.26-1

51+（2304-2042）×234215+（4361-716）÷81（247+18）×27÷2536-720÷（360÷18）1080÷（63-54）×80（528+912）×5-61788528÷

1\2×8=1\3×9=4\9×7=9\11×8=3\6×2\9=5\9×7\2=1\10×9\4=23\4×2\6=76\5×1\38=87\9×3\19=15\4×1\3=56\2×1\8=2\9

17×40＝680,100－63＝37,3.2＋1.68＝4.88,2.8×0.4＝1.1214－7.4＝6.6,1.92÷0.04＝48,0.32×500＝160,0.65＋4.35＝510－5.4

3/4+6/8=23/29/7-3/21=24/215/6*9/5=3/24/7*5/6=10/215/4/4/2=5/8你要多少啊

62*12=17*6=17/2-7/4=9/4）*（6/2）=50*(2/15)=1.08/0.12=65/5=68*2.3=1.414*3.1=1.25+1/4=33*5=93+862=4.5+25

4.8＋2.3=5.6÷7=4.7＋6.2=3.7－0.07=27÷0.01=3.72＋2.28=0.62＋0.38=1.25×4=0.45÷0.09=5.2×0=1.73＋3.2=1.12×100=

12÷3/5=12×（5/3）9÷6/7=9×（7/6）30÷5/6=30×（6/5）4×（3/2）=4÷2/3（4）÷5/7=4×7/53÷4/5=3×5/4（24）÷7/16=24×（16/7）A

8.7－1.9－3.1=0.7×16–16×0.3=（12.5＋1.25）×0.8=（5.6＋3.5）÷0.7=9.1÷4－3.1÷4=8.92－0.03－1.97=0.175÷0.25÷4=0.8×

5/8*9/85/6*4/52/7*9/66/7*8/69/5*8/39/7*4/37/8*9/44/3*7/98/3*4/77/5*2/99/4*2/37/4*7/39/2*8/56/7*4/99/

160/32/255/1236/5216/32/310/110/354/35149/8520/93/43/1602/33/73/10021/3112/1再问：在吗

5.6×2.93.77×1.80.02×965.22×0.39.99×0.024.67×0.95×2.441.666×6.19.432×0.0025.6×6.54.88×2.95.61×4.38.9×

http://www.docin.com/p-508440473.html自己看呗

去买本口算练习不就ok了吗?

请先给出2~4个样例再问：720÷800=17×300=再答：17×300有小数么？再问：弄错了再答：910*0.7=637190*0.3=57700*0.1=70320*0.8=256140*0.1

5.6×2.93.77×1.80.02×965.22×0.33×0.024.67×0.95×2.441.6×6.19.432×0.0025.6×6.54.88×2.95.61×4.38.9×2.45.

1.5×4=2.5×4=0.13×4=2.4-0.8=5.4÷10=4.2×1000=0.45÷0.15=3.6÷0.1=O.75+0.8=8.5×100=3.2÷100=0.18×0.3=8.5÷1