题目内容
| 0.3+1.6= | 5-4.6= | 1.4+0.7= | 3.4+3= | 9.8-4.5= | 2.6+3.4= |
| 9.2-1.7= | 6.9-6= | 80×70= | 120×30= | 23×40= | 50×24= |
0.3+1.6=1.9;5-4.6=0.4; 1.4+0.7=2.1; 3.4+3=6.4; 9.8-4.5=5.3; 2.6+3.4=6;
9.2-1.7=7.5;6.9-6=0.9;80×70=5600; 120×30=3600;23×40=920; 50×24=1200;
9.2-1.7=7.5;6.9-6=0.9;80×70=5600; 120×30=3600;23×40=920; 50×24=1200;
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