| 3.48+6.2= | 4.9÷0.7= | 2.4×5= | 8﹣  = |
 + = | 12×  = | 310×4= | 0÷  = |
 ÷  = |  ×  = | 123﹣57= | 43= |
| 354﹣167=________ | 50﹣24.8=________ | 3.14×5=________ | 1.21÷11=________ | （8+  ）×  =________ |
| 53=________ | +  =________ | 5.4×  =________ | 24÷  =________ | 6.125﹣（3.625+  ）=________ |
| 8.63+3.7=________ |  ×8=________ | 2.6+  =________ | 9.6÷0.8=________ |
 ×8+ =________ | 100﹣1÷0.01=________ | 3÷0.3﹣0.3÷3=________ | 25×0.4÷25×0.4=________ |
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