5.6:21 60%: 25:6.5
= 0.4+55%= 1.5-= 62.8÷3.14=
8×0.99= 1.05÷0.15= =
92-72= 6-3.7-2.3=
18:40
:
0.625:
803-207= ÷5= 798+150= + =
0.25×8= 1.5- = 7.5÷ = 0.77+0.3=
9.8-8= × = 45.54÷45= 24× =