13.64+6.73+7.36
99×45
13.64-(3.28+2.64)
5.19-2.27-2.73
(125+2)×8
31.5+2.18-11.5+2.82
(450+27)÷(21﹣18)
3.46+8.3+6.54+1.7
25×5+74×5+5
87﹣2.123﹣0.877
16.3-7.6-2.4 8.8+4.3+5.2
9-(3.02+1.25) 2.13-1.59+0.87
36.7﹣19.4+35.8
6.32+6.8+0.68
23.45﹣(3.45+10.44)
205×[20﹣(8.5+3.5)]
88×124+88
101×49﹣50