摘要：82○7.82×0.6
网址：http://m.1010jiajiao.com/timu3_id_586280[举报]
| 6.7+4.95+3.3 | 283.75-（42.73-13.25） |
| 17.56-3.87-6.13 | 5.5+9.18+0.82+3.5 |
| 23.5+0.9+11.5 | 15.49-3.3-5.49． |
①5.82保留整数位约是
②6.995保留两位小数约是
③8.479精确到百分位约是
④578600人改成用“万人”作单位的数是
⑤9830000000册改成用“亿册”作单位的数是
⑥把50780000000 吨省略亿后面的尾数约是
⑦5.433精确到百分位是
⑧7.998精确到十分位是
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6
6
．②6.995保留两位小数约是
7.00
7.00
．③8.479精确到百分位约是
8.48
8.48
．④578600人改成用“万人”作单位的数是
57.86万人
57.86万人
．⑤9830000000册改成用“亿册”作单位的数是
9.83亿册
9.83亿册
．⑥把50780000000 吨省略亿后面的尾数约是
507.8
507.8
亿吨．⑦5.433精确到百分位是
5.43
5.43
．⑧7.998精确到十分位是
8.0
8.0
．精确到百分位是8.00
8.00
．| 0.02×0.1= | 5.06x-4.07x= | 12-7.8= | a+0.4a= |
| 12÷0.3= | 4.6x+2.7x= | 1.7+0.43= | 0.58a-0.47a= |
| 1.5×0.4= | 4.8x-3.1x= | 1.25×0.2= | 12a-8.4a= |
| 64.32÷16= | 6x-4.9x= | 5.1b+11.9b= | 1.23÷3= |
| 100×0.01= | 3.4×0.07= | 3x+4x= | 0.42÷0.1= |
| 4.3b-2.7b= | 7÷0.25= | 5.1x+2.9x= | 1.75×0.8= |
| 0.3×0.4= | 5.4+1.4= | 2.7x+3.6x= | 16÷1.6= |
| 10x-3.7x= | 0.98+1.82= | 2.5x+4.3x= | 0.05×0.8= |
| 6.05x-4.96x= | 3.7a+5.2a= | 3.2÷1.6= | 3.12÷0.5= |
| 3.5+7.6= | 5.1a+3.9a= | 10×0.75= | 3b-0.7b= |
| 5.6×0.1= | x×x= | 0.9÷0.01= | 3.4b+5.6b= |
| 72.8÷0.8= | 2.7b+5b= | 3.5×3= | 7.6b-4.3b= |
| 32= | 2.52= | 4x+5x= | 3.5t-t= |
| 8a-3a= | 7b+b= | 4c-2c= | 3.5b+2.7b= |
| 0.32÷0.04= | 0.51×0.2= | 0.12+3.4= | 102= |
+111÷
+43.3×76
-[（3.62×
+6.38÷7
）×1.82-1
×0.82]．| 4.5+6.3 | 6.5+4.8 | 8.6+7.7 | 10.05+0.4 |
| 34.6-4.9 | 9-4.2 | 3.45÷10 | 65.5÷10 |
| 9.43÷10 | 3.2÷100 | 2.75×10 | 6.783×100 |
| 0.35×2 | 0.8×6 | 5.2+1.7 | 0.01×8 |
| 1.6×0.3 | 7.31×100 | 3.8×4 | 6.3×0.1 |
| 0.8×0.9 | 0.7×1.2 | 2.5×0.4 | 4.5-1.5 |
| 7.5-0.1 | 0.125×8 | 0.23×0.5 | 9.6+5 |
| 8.36+0.75 | 0.35×6 | 0.83+0.6 | 3.16×2 |
| 0.65×2 | 4.7×0.4×0 | 0.09×6 | 0.4×0.1 |
| 2.3×0.3 | 8.3-2.4 | 5×0.02 | 1.68+3.34 |
| 9.6÷6 | 0.03×1.2 | 0.4+1.5 | 7.9×0.01 |
| 0.45+0.55 | 1.2+43 | 9.2-0.8 | 0.85×4 |
| 10.3+2.9 | 100×0.6 | 0.3×7 | 125×0.8 |
| 2.5×4 | 3.7+4.8 | 7×0.08 | 3.6÷0.6 |
| 9.3+0.7 | 0.162×100 | 4.2÷3 | 0.25×4×1.2． |