18×20 = (50+25)×2= 39÷6 = 140×20=

22÷3= 0×99+ 1= 1000- 1= 500+800=

105×9= 60×70 = 245- 155= 13× 1 1=

5 10-203= 804×4= 390÷3= 2500÷5=

47+253= 10 1+89= 50-0÷25= 6 1÷7=

72 1÷7= 800-425= 234×2= 8 100÷9=

228+45 = 148÷2 = 24+ 180 = 5 1× 10 =

99+0= 100-0×0= 60-50×0= 0×(0÷27)=

4÷3 = 6÷ 1× 100= 4×25= 8× 125=