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=
1.05×2= 0.13×4= 0.27×0.3= 1.05×2= 7.5×40=
2.5×0.2= 100÷80= 9.9-0.3= 0.48÷1.2= 3÷0.05=
1.8÷0.1= 4.5÷0.5= 2.4×0.5= 0.125×8÷2=
20-1.85= 0.25×80= 0.36÷0.4= 3.2÷0.8×0=
①10÷40=
②0.49÷0.7=
③2.5×8=
④3.7×0=
⑤3﹣0.35=
⑥1.25×0.8=
⑦8.1÷10=
⑧1.3÷0.13=
7-5.2= 7.21+0.53= 6.97-3.97= 15-4.28=
7.9+5.5 = 5.7+0.03= 3.58-2.87= 2.05+8.02=