四年级小数脱式计算题（加减乘除法）要500道!

2.1÷7÷0.1=
5×2.1＋2.1=
2.5×4×0.5=
50×0.04＋420=
3.4÷0.1－21=
100×2.1×0.03=
6.9÷3＋19=
3.7＋1.26＋0.74=
2.34－1.34×0=
(1.5＋2.5)×0.77=
31－0.25－0.75=
34.1＋21.5＋0.9=
9.7×12＋0.3×12=
38×0.01＋0.02=
(1.2＋0.16)×0.1=
0.03÷0.01＋0.3=
1.25×8×4=
3.6＋5.8＋4.2=
6.8×20÷5=
0.34÷17－0.02=
(1.5＋0.5)÷2=
0.8×1.25×15=
0.24÷4×6=
0.9÷0.3×7=
30÷0.2÷1.5=
9.8－2.9－3.1=
1.02×8－0.16=
0.25×0.4÷0.1=
0.42×4×0.25=
0.8÷0.1×0.5=
2.8÷0.7×20=
0.8×0.6÷2=
5×(3.2－2.6)=
5.4÷0.9＋0.8=
(1.4－0.8)÷0.6=
3.26÷2×0.01=
(5.1－2.7)÷0.6=
7.6－0.7－0.3=
1.25×8×0.74=
1.8＋2.2＋6.4=
0.6×5＋0.4×5=
4.27－0.6－0.4=
3.6＋0.8＋0.2=
8.54－1.7－2.3=
720÷8÷0.1=
0.75×4÷7.5=
2.5×0.7×4=
0.9×100÷3=
2÷(6.4＋4.6)=
2.8÷0.7＋6=
19.6÷0.2÷5=
7.86＋7.86×9=
0.25＋0.75=
9.9＋0.51＋0.1=
7.3×2.5×4=
1.25×8×3.7=
12－6.2－3.8=
2.4÷4＋5.6÷4=
7.6－0.7－0.3=
1.25×8×0.74=
1.8＋2.2＋6.4=
0.6×5＋0.4×5=
6.02×0.3＋0.3=
32.1＋2.5×0.4=
45.7－5.5×6=
10.21×3－10.21=
45.7－5.5×6=
10×0.6－0.6=
13.7×0.25×40=