用一条145厘米的彩带围在下面这个相框四周，这条彩带够用吗？
1.25×320.56+3.48+0.44+6.522.8×（2.25+28.5÷1.5）
5.8×7.6+7.6×4.2145.3﹣58.6﹣41.4[（5.1﹣3.6）÷0.8﹣1]×0.09．
我会巧算．
1.2×0.4+1.3×0.4（1.25+0.36）×0.2 7.2×0.3+28×0.03 0.25×0.56×0.4
8×（2.5+0.125）0.25×0.56×0.432.8+5.6+7.275.2﹣66.9﹣5.2．
5×1.3÷5×1.3
99×10.1
58×10.1﹣5.8
128.8÷23+9.2×0.35．
能简算的要简算
0.76×230﹣30
9.2×l.85+3.65
（7.39+7.39+7.39+7.39）×2.5
0.78×101
0.25×28
4.2×l.36+1.36×5.8．
计算下面各题．
3.52+8.4+2.6
5.94+6.7+1.06+0.3
42.24﹣6.24﹣3.76
4.92+3.27﹣4.92+3.73．