4/9×3= 5÷1/3 = 1/2÷1/3 = 21/25÷42= 4/5×3/4 = 8.7×0.2= 4×0.25= 1/7×14= 2/3÷5/6= 1.25×8= 3/5÷5/8= 6/7×3/2= 6×8.8= 4/11÷4= 4/9×3/8= 5/3÷5= 0÷8/3= 4/7－2/3= 2/7×2＝41/12×4= 4÷3/16= 12÷9/4= 75/8 ÷5= 12×16/9＝2/3×3＝8÷9/4 ＝5/3÷3/5 ＝4/5×5/8＝7/9×9/7＝2.64＋3.6= 2.4×50= 3500÷70= 2050－298= 2＋7÷9= 0.3÷3%= 286+198＝314-202＝526+301＝223-99＝1/2×3/5＝
1. 89÷100= 0.82+0.08= 73×1= 0.63×10=
4÷10= 17÷1000= 0.56+0.4= 1.25×100= 5.6+99= 43×63/21＝100÷25= 1-0.93= 90-0.9= 18.3×1/3＝794－198= 68×25= 43.3-63/21＝72×125= 3001-1998＝23/5×5/6 ＝20/3×12＝1/2-1/6＝30.25×4/5＝5/6-1/2＝1/2×1/5＝4.25×4/25×4= 57.26－(5.26－1.5) 106.25+3.85－2.125+3.875 11.9－2456×21 5/11－4×2.75 13.375+5.75+2.25+6.625 （15.1－9036）÷18 163.8×5.25+14.5 172.1×4.3+5.7×2.1
19.102×45-328
2.8×3.1+16/8 23÷(50-12.5) 2.5 ÷
24×2/5×1/3
25.6÷110×47+639
3.5×2.7-52.2/18
28－1/7×1/5
3.375×0.97+0.97×6.625
6.54+2.4+3.46+0.6
95.6×1.8+95.6×8.2 35.6－420/12×4 344/3.6-5.4
0.25 ×
16/2+30/2+90/6 5000-105×34 0.15/0.25+0.751×.2
41×(1/2+1/3+1/4)0.24 ×42×(25+4)×4 3×63/21－84 0.81/0.25+5.965× 403÷13×27 46.1.5×4.2－0.75÷0.25 3.27×4 +3.27×5.7 （1.2+ 1.8）×4.51025－768÷32 0.25×80－0.45÷0.9 50.1025－768÷32 81.2－11÷7－×3= 6696÷62－6.5×10.6 = 2/7×3/9 ÷2/7 = 6756－193－207= 97×360＋3×360= 4/9×3= 5÷1/3 = 1/2÷1/3 =
2/7×3/9 ÷2/7 = 21/25÷42= 4/5×3/4 = 8.7×0.2=
4×0.25= 1/7×14= 2/3÷5/6= 1.25×8= 3/5÷5/8= 6/7×3/2= 6×8.8= 4/11÷4= 4/9×3/8= 5/3÷5= 0÷8/3= 4/7 －2/3= 2/7×2 ＝41/12×4= 4÷3/16= 12÷9/4 = 75/8 ÷5= 12×16/9 ＝2/3×3＝8÷9/4 ＝5/3÷3/5 ＝4/5×5/8 ＝7/9×9/7 ＝2.64＋3.6= 2.4×50= 3500÷70= 2050－298= 2＋7÷9= 0.3÷3%=
81.2－11÷7－×3= 6696÷62－6.5×10.6 =
23
+
14
=
3-
5
38÷4=
300×5% =
6384
9
= 8.7-4.8= 1.25= 1
÷323
74
4
×2.4= 9.3 : 0.03=
156＋498 =
39.39÷13 =
13
=
8－0.79 =
8279324005%
3.4254
14
12
412
12(
131)4
5.050.51
3÷3=
42
354÷6=
5244×3×5= 56×12=
123×9×3= 6
7÷2= 55
5÷6－6÷5=
（1.6＋3.2）×0.125=
×4×12.5×2.5
7.28-（1.25+0.28） 9990×200.8+1×2008 0.8
求未知数
x。
1
1
1
1
5x－5+3=25
3＋2
16x-6.4x=35
x=30
10∶x=6∶4
14
x0.532
34
x(180%)x1.05
10x－5×（
x－3）=25
Ｘ－12%Ｘ=2.816
【实用】小学计算练习题集
