3.4×99+3.4 
4.8×1.01
0.4×(2.5÷73)
(1.6+1.6+1.6+1.6)×25 
(94+65-187)÷361 
71100257×
12.3-2.45-5.7-4.55
 97÷251+115×92 
0.125×0.25×64
64.2×87+0.642×1300 
 78×36+7.8×741-754
2113×17+1217×8
87×21+0.125×21+0.5
 2.42÷43+4.58×311-4÷3
25÷1002625 
 4.25-365-(261-143)
 3.8÷3.9+3.9÷0.1+0.1÷3.9
12.1-(151+211)×10
