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32.8+19=0.51÷17=240÷30=1000×0.8=3.06+0.2=0.67+1.24=8×125=7-6.28=8.2-0.01=99×23=50×4=5÷1000=0.42+9.5=65×25×4=0.08÷100=10×0.5=1.82-0.63=4.5+1.5=1-0.63=231-99=
题目详情
32.8+19= | 0.51÷17= | 240÷30= | 1000×0.8= | 3.06+0.2= |
0.67+1.24= | 8×125= | 7-6.28= | 8.2-0.01= | 99×23= |
50×4= | 5÷1000= | 0.42+9.5= | 65×25×4= | 0.08÷100= |
10×0.5= | 1.82-0.63= | 4.5+1.5= | 1-0.63= | 231-99= |
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答案和解析
32.8+19=51.8; | 0.51÷17=0.03; | 240÷30=8; | 1000×0.8=800; | 3.06+0.2=3.26; |
0.67+1.24=1.91; | 8×125=1000; | 7-6.28=0.72; | 8.2-0.01=8.19; | 99×23=2277; |
50×4=200; | 5÷1000=0.005; | 0.42+9.5=9.92; | 65×25×4=6500; | 0.08÷100=0.0008; |
10×0.5=5; | 1.82-0.63=1.19; | 4.5+1.5=6 | 1-0.63=0.37; | 231-99=132. |
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