= ﹣0.25= 0÷5=
= 5.4×= 80×0.7=
÷ =
﹣ =
× =
+ × ×0=
43.96+31.4=
0.625×8=
2.8× =
0.25×16=
①妈妈比你大24岁②妈妈今年的年龄是你的3倍 ③妈妈和你今年的年龄和是48岁。
= 0.3÷0.7= 32÷1%=
1-1%= 0.33= 756- 198=