| A．1.35 | B．13.5 | C．9.45 | D．6.45 |
| ⑴0.9+0.4= | ⑵9﹣0.7= | ⑶0.36+0.54= | ⑷1﹣0.26= |
| ⑸3.6+0.4= | ⑹1.29﹣0.29= | ⑺0.74+0.26= | ⑻0.57﹣0.5= |
| ⑼2.8+1.12= | ⑽6.2+1.8= | ⑾2.8﹣2.3= | ⑿1.3﹣0.6= |
| A．4.1 | B．3.1 | C．8.7 |
| ⑴5+0.4= | ⑵1.4+2.7= | ⑶8.2+3.7= | ⑷5+2.4= |
| ⑸1.8+2.7= | ⑹7.3+0.9= | ⑺2+5.3= | ⑻2.0+1.8= |
| ⑼5.7+2.8= | ⑽6+2.2= | ⑾1.5+8.5= | ⑿7.4+1.6= |
| ⒀9﹣6.5= | ⒁3.2﹣2.3= | ⒂4.2﹣2.2= | ⒃3﹣2.3= |
| ⑴6+1.4= | ⑵1.25+12.7= | ⑶6.2﹣3.9= |
| ⑷5+2.3= | ⑸8.4﹣7.5= | ⑹1.10﹣0.3= |
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