四年級小數(shù)乘除法口算

歐陽德創(chuàng)編 歐陽德創(chuàng)編 2021.03.07歐陽德創(chuàng)編 歐陽德創(chuàng)編 2021.03.07小數(shù)加減乘除口算題1 姓名：時間：2021.03.07創(chuàng)作：歐陽德我5分鐘做了（ ）道，對了（）道。1.5x4=2.5x4= 0.13x4=5.4+10=0.18x0.3=4.2x1000= 3.6+10=8.5x100=8.5+ 1.7=3.2+100=0.04x25=1000X0.756=0.5x100=0+0.25=1+100=1.25x8=3.8x2=1.6x0.2=0.2+100= 0.9x6=2.1x0.3=7x0.08= 1.87x0= 0.24x5=0.2x0.5= 60x0.5= 0.05x1.6= 0.5x1.1=0.8x0.5= 1.2x4二4x0.25=0.4+8= 1.8x0.5=8+0.5= 2.5+10= 0.15x8= 3.9+3.9= 0+6.81= 1.47x0.4= 0.4x0.25=0.8x7= 1.5x7= 1.32x8= 0.7x8二10.3x2二5x0.6= 0.9x0.3= 3.5x0.2= 2.01x0二25+1000=1.5-0.5=1-0.9=2.3＋0.6=0.9＋0.8=1-0.3=3.4-1.5=1.9-0.9= 3.5-2.4= 0.36+0.64= 3.5+4.2=6-0.5= 2.7-0.4= 0.8+0.7= 4.5-3=7.8-1.1=0.96－0.3= 8.65－6.31= 2.5+0.9= 1.2-0.5=7.8+1.6=0.39+0.15= 3-1.4= 4.7-2.8=7.2-6.45=15-0.48= 6.77-1.78=3.45+5.75=3.40+58.20= 49.80+49.20=111.6-99=7.8+21.02= 5.6-1.42= 12.5+0.9= 4.5-2.83=6.07+4.89= 3.75+2.25= 2.98+0.56= 12.53+4.67=5.64-1.78=10.2-6.45= 5-0.41=0.3+1.5=2.5+9.8= 7.6+1.3= 4.4+5.7=2.3+7.7= 5.7+3.1= 7.69+2.31= 9.16+2.64=5.68+12.22=剩下的我用了（）分鐘做完，對了（）道。小數(shù)加減乘除口算題2姓名：我5分鐘做了（）道，對了（）道。16.8+16.5= 26.3+14.6= 6.9+3.4= 52.3+64.7=0.7+0.4= 12.75-5.3= 8.24+16.93=6.14+3.83=

7.93-1.64=10-0.1=5.23-2.36=3.44+3.36=8.63-3.48=1.16+4.77=7.74-5.85=0.5-0.45=9.35-4.74=4.93+4.75=8.17-5.26=2.26-0.86=1.8-0.9=12.6-1.2=17+0.33=1.01+0.6= 7-0.05=9-0.26=6.55+4.68=1.1+4.5=7.93-1.64=10-0.1=5.23-2.36=3.44+3.36=8.63-3.48=1.16+4.77=7.74-5.85=0.5-0.45=9.35-4.74=4.93+4.75=8.17-5.26=2.26-0.86=1.8-0.9=12.6-1.2=17+0.33=1.01+0.6= 7-0.05=9-0.26=6.55+4.68=1.1+4.5=1.9+3.4=3.45+4.6=4.45+4.5=9.4-2.75=7.3-1.26=3.83+5.55=2.75+1.3=7.6-2.15=1.9+6.2=7.1-6.6=6.8-2.8=44.4+1.4=1.7+9.66=43.3+6.3=55.5-1.9= 38.9-5.55=1.7+9.66=64.41+8.67=0.7+0.9=3.8+0.6=8.24+3.76=4.1-3.8=14+0.7+0.9=0.78=10x0.05二0.13x7二10x0.05二0.13x7二0.21x100二1.5x3二1.2x0.4二0.7x4二0.05x4二0.7x4二0.05x4二4x0.3二3.6-10二2.7+100二12.5x8二2.3x4二12.5x8二2.3x4二3.25x0二0.45-10二3.6-100二0.4x50二30x0.1二0.4x50二30x0.1二2.6x3二0.12-10二2.7-10二4.1X2=0.34-10=0.9X4.1X2=0.34-10=0.9X0.3=5.2-100=1.25x8二4.4-100=2.05X100=0.35X0.2=1X0.06二1-0.73=0.04x0.3=7.5x0.1=9X0.5=0.6x8=0.4x0.25=8.4-10=3.6?10二7.2-10=0.22x4= 0X3.52=1.25x8= 1.6x5= 0.9+1.4= 0.9-0.52=3.99x1二0.2X0.4= 8.2+1.8= 100-35.22=2.5x0.4=2.4X5=剩下的我用了（）分鐘做完，對了（）道。小數(shù)加減乘除口算題3 姓名：我5分鐘做了（ ）道，對了（）道。1.3+8.56=0.8-0.55=1-0.03= 30.5+3.05=0.8-0.45=3.25+0.75=0.78+2.2=5-0.08=10-0.1=14.6-0.34=10-7.64= 13.6+8.46= 0.99+1.1=520.9二2.65+9.32=1.23+6.52=5.32-0.93=6.35-5.23=1.23+5.69=1.26+5.21=0.96-0.23= 7.26-4.93= 2.16-0.23=4.63+8.9=9.28+7.32=7.65-6.23=8.28+4.75=9.23+5.45= 6.23-4.53=8.52+4.65=5.2+2.63= 4.62+8.95= 7.24+6.21= 3.8-2.3=0.7+0.9=0.8+0.6= 8.24+3.76= 4.1-3.8= 14+0.78=14.6-0.34= 1.3+8.56= 0.8-0.55= 10-0.1=8.65-6.31=10-7.64=4-0.04= 1-0.03= 30.5+3.05= 0.8-0.45=0.78+2.2=1.2+10=0.45+100=2.5+100= 0.02x0.5=3.6X0.3=2.5+10= 3.08x0.01= 4.95x1000=6.9x0.1= 0.4x0.5=8.4+10=0.34+10= 30.4+100= 8.65x10=0.35x0.6=1.2x6= 0.72+10= 2.6+100二0.325x100= 2.5x8=0.6x0.3= 0+3.65= 7.82+1= 0.05x4二

3.5X0二1.4+0.7二3.28X0.1=3.5X0二1.4+0.7二3.28X0.1=2.5X2=0.48-10二4.4-10二5.6+0.4=4.7+2.3=X3=6X3.4=0.01X0.