四年級(jí)小數(shù)加減法計(jì)算300題

1、0.75 + 0.4=20+0.78=4.8 4.2=5.7 3=4.9- 1.7=1.34 + 0.8=2-0.75=8.7 0.03=0.2-0.09=8.5+2.5=3.4-1.4=0.68 + 0.42=7.82-7.2=2+9.1 =0.48 + 0.52=8.1 -5.1 =0.78-0.24=0.8 + 0.18=0.89- 0.25=1-0.98=0.9 0.1=1-0.8=4.5 一 4=5.6 + 4=5.7+ 3.3=10-4.4=6+ 6.6=9.5-2.7=1 0.55=3.7 + 4.8=7 3.3=3. 25 + 0. 75=2.7 + 3.9=0. 7+0. 9

2、=1-0.44 =0.9 1=14. 6-0. 4=100. 1 =14 + 0. 78=3 2.7=5-0. 08=1 . 64 + 2. 35=1 . 1 - 1 =8. 34-6.22=12. 6+3. 4=1.3 + 4.3=7.2 + 6.9=9.3-8.8=4.4+15.99=19.8-5.6=96.3-56.2 =79.2+56.8=1.9 + 25.793=88-69.21=1 -0. 3=4.7+3.7=6.94+3.12=5.6+6.4 =15.3+0.7=1.25+ 26.4=0.3+1.5=2.5+9.8=7.6+1.3=4.4+5.7=2.3+7.7=5.7+3.1=

3、7.69+2.31 =9.16+2.64 = 5.68+12.22=16.8+16.5=4.26-3.71=8.1+3.6=23.1+23.9=6.94-3.12=3.8+2.4=5.6-4.6=6+0.6=51.2-24.9=5.16-1.32=4.31+7.28=17.3+18.7=26.5+33.5=54.6+94.2=12.4+84.1=23.6+65.4=26.3+14=6+2.19=6.9+3.4=32.2+2.1=6.4+8.2=28.01+2.09=3.4+6.8 =6.9+7.1=3.6-2.4 =6.8-3.8=98.5-25.8=7.2+1.7=0.11+0.28=2.0

4、3+0.67=5.42+2.31=44.3+25.7=80.1+1.9=65.1+14.3= 92.4+3.17= 62.1-5.5=45.3+54.7=21.6+37.4=23.5+61.4 =17.63-2.1 =3.6+1.4=9.6-2.4=8.9+1.1=7.3+2.4=6.25+2.52=8.71 + 1.29 =6.5+3.4=1.3-0.1 =54.8-15.4=6.3+5.2=8.46+2.54=31.09-3.1 =9.46-2.15=3.3+6.15=7.3-2.6=16.3+65.2=63.2+46.8=3.12+6.21 =2.44+3.56=7.69+3.612.4

5、5+3.25=5.6+2.4 =6.5-2.2 =68.4-61.5=0.25+6.75=3.14+3.1 =6.31+20.1 =52.3+12.7=2.19+0.31 =0.88-2.12 =5.34+69.21=2.14+2.15=6.61+3.44=6.28+3.14=31.1+21.6=74.1+64.9=65.2+2.7=34.1-24.3=61.3+66.4=98.6-54.3=51.8+24.2=88.6-27.4 =52.3+64.7=12.75-3.64=5.3+1.54=13.7-0.1 =28.4-3.32=3.1+62.1= 42+0.5=2.4+3.16=0.3+1

6、.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 =16.8+16.5=26.3+14.6=96.9+3.4=32.2+2.1=6.4+8.2=28.01+2.09=3.4+6.8=6.9+7.1=3.6-2.4 =6.8-3.8=4.26-3.71=8.1+3.6=23.1+23.9=6.94-3.12=3.8+2.4=5.6-4.66=51.2-24.9=5.16-1.32=4.31-2.14=17.3+18.7=26.5+33.5=54.6+94.2=12.4+84.1=23.6+

7、65.4=98.5-25.8=7.2+1.7=0.11+0.28=2.03+0.67=5.42+2.31= 44.3+25.7 = 80.1+1.9=6.18+4.12=0.5+0.63=65.1+14.3=92.4+3.17=62.1-5.5 =5.6+6.4=15.3+1.25=26.4-0.1=28.4-3.32=3.1+6+2.1=2.91+0.34=0.19+0.01=4.13+3.2=4.7+3.7=6.94+3.12=42+0.5=2.4+3.16=45.3+54.7=21.6+37.4 =23.5+61.4 =17.63+2.1 =3.6-3.5=9.6+2.4=8.9+1.1

8、=7.3+2.4=6.25+2.52=8.71 + 1.29=6.5+3.4=1.3-0.1= 54.8-15.4=6.3+1.4=8.46+2.54=31.09-3.1 =9.46-2.15=3.3-6.15=7.3-2.6=16.3+65.2=63.2+46.8=3.12+6.21 =2.44+3.567.69+3.61 =2.45+3.25=5.6+2.4=6.31-2.2=68.4-61.5=0.25+6.75=3.14+3.1 =6.31+20.1 =52.3+12.7= 2.19+0.310.88-2.12=5.34-69.21=2.14-1.24=6.61+3.44=6.28+3.14=11.1+21.6=74.1+64.9=65.2+2.7 =52.6-24.3=61.3+66.4=98.6-54.3=51.8+24.2=88.6-27.4=52.3-3.25=12.75-3.64=5.3+1.54 =98.24+16.93=2.5+0.9 =3.6+4.9 =5.6- 4.8 =3.06+ 4.4 =8.8 +4.5=5.2 + 4.8 =5.5+4.5=3.27-2.49=11.65-7.39=19.01-7.99=7.51+0.49=5.48-3.25= 4.8+18.9=10.