4.6×2= 7.8÷3= 5.1÷0.01= 70×0.3= 0.38+0.62=
5.4÷9= 1.2×0.3= 3.5a+a= 12.7-5= 0.3×0.3×0.3=
3.7+6.4=
4.5÷0.9=
2.5×2×0.8=
5xy+2x·y=
9÷0.2=
3.4÷0.34=
0÷3.7=
32-23=
①0.25×8=
②31.6×0.1=
③4.99×2≈
④9×5.1≈
⑤2.4÷2=
⑥48÷0.6=
⑦0.056÷0.8=
⑧0.45÷0.3=
1.2÷0.3=
10.4×0.1=
0.7×0.9=
2-0.6=
4×2.5=
0÷0.26=
0.45÷0.9=
0.9-0.03=
0.6×11=
1.8+0.01=
0.36×10= 2.2÷1.1= 6.5+3.4= 0.84﹣0.76= 1.5×0.2=
0.28÷0.01= 10﹣0.5= 4.3×0.2= 12a+5a= 5.5x﹣3x=
3.2÷0.4= 12.5×0.8= 2.7÷3= 0.4×250=
0÷8.5= 96÷0.6= 0.7×0.9= 18x﹣13.5x=