25%× + ×25%
( - )×48
12×( +)
2.8×25+12×2.5
×= ×= ÷= 3.6×=
6×= 18÷= ×= ×8÷×8=
①÷×12
②1-÷0.9
③0.4×+×
④57×
⑤14×(-)×13
⑥÷(3--)
803-207= ÷5= 798+150= + =
0.25×8= 1.5- = 7.5÷ = 0.77+0.3=
9.8-8= × = 45.54÷45= 24× =