摘要： 3+1= 2+2= 4-2= 5-3=
网址：http://m.1010jiajiao.com/timu3_id_581504[举报]
| 0.1×7.2= | 4.2÷0.6= | 0.8×0.4= |
| 1.01×10= | 0.8×0.125= | 21.5÷100= |
| 18÷5= | 0.4+0.4÷0.4= | 4.4×0.5= |
| 0.57+0.3= | 1÷0.25= | 0.5×（7.2+2.8）= |
网址：http://m.1010jiajiao.com/timu3_id_581504[举报]
| 0.1×7.2= | 4.2÷0.6= | 0.8×0.4= |
| 1.01×10= | 0.8×0.125= | 21.5÷100= |
| 18÷5= | 0.4+0.4÷0.4= | 4.4×0.5= |
| 0.57+0.3= | 1÷0.25= | 0.5×（7.2+2.8）= |