4.25×4/25×4
57.26－(5.26－1.5)
106.25+3.85－2.125+3.875
11.9－2456×21
5/11－4×2.75
13.375+5.75+2.25+6.625
（15.1－9036）÷18
163.8×5.25+14.5
172.1×4.3+5.7×2.1
19.102×45-328
2.8×3.1+16/8
23÷(50-12.5) ÷2.5
24×2/5×1/3
25.6÷110×47+639
3.5×2.7-52.2/18
28－1/7×1/5
3.375×0.97+0.97×6.625
6.54+2.4+3.46+0.6
95.6×1.8+95.6×8.2
35.6－420/12×4
344/3.6-5.4×0.25
16/2+30/2+90/6
5000-105×34
0.15/0.25+0.75×1.2
41×(1/2+1/3+1/4)×0.24
42×(25+4)×4
3×63/21－84
0.81/0.25+5.96×5
403÷13×27
46.1.5×4.2－0.75÷0.25
3.27×4 +3.27×5.7
（1.2+ 1.8）×4.51025－768÷32
0.25×80－0.45÷0.9
50.1025－768÷32
81.2－11÷7－×3=
6696÷62－6.5×10.6 =
2/7×3/9 ÷2/7 =
6756－193－207=
97×360＋3×360=