0.3×0.2=
7.2÷0.4=
=
8.75﹣(0.75+3.4)=
=
205-199= 0.4-0.22= 0.52= = 2+2÷ =
36× = 2+ = 2.5×1.3×0.4= ÷0.6= 7× ÷7× =
145+398= 6-0.6= 0.24×50= 3﹣3÷7= (+)×56=
1.25×6×8= = = ÷0.75= ×4÷×4=
480÷60= 3.72+6.28= +×1=
235+99= ﹣= 12×÷12×=
19﹣1.7= 2.4÷0.04= 496+298= ×0.2=
9.7+0.03= ÷1.75= 1×÷= +÷+=
4.7+3= 8.4÷60%= 69×21≈ 1+ ÷1+ =
- = 0.92= 1.4× = 6× - =
÷ ×0= 0.25×125×40×0.8=
127+38= 8.8÷0.2= 2-1 = ×1 =
1÷7+ = 1-1× = + = 1.02-0.43=
÷25%× = ×2÷ ×2=