1、569-399 3.2-0.5= += 12÷ = 25÷= ÷= ×8.1= - 18.25-3.3= ×= 0÷9.3= 453+198= 50÷0.1= ×81= 0×= 24×= 4×0.02= ×= ×= ÷= += 0.25×8= 236+64= 7.8×0.5= 4.3-0.5= 7×0.6= 13÷= 5.01-1.8= 0.99×9+0.99= += 10-7.
2、26= 75%+25%= 38÷4= ×= += ÷= 1-0.25= 11+= 910÷70= 45.7÷100= 9×3.14= 1.63+2.3= ÷= 480×= 29-0.6= 0.85+0.15= 3.75÷0.25= 3.2-0.5= 569-399= 3.2-0.5= += 12÷ = 25÷= ÷= ×8.1= -= 18.25-3.3= ×= 0÷9.3= 453
3、198= 50÷0.1= ×81= 0×= 24×= 4×0.02= ×= ×= ÷= += 0.25×8= 236+64= 7.8×0.5= 4.3-0.5= 7×0.6= 13÷= 5.01-1.8= 0.99×9+0.99= += 10-7.26= 75%+25%= 38÷4= ×= += ÷= 1-0.25= 11+= 910÷70= 45.7÷100= 9×3.14= 1.
4、63+2.3= ÷= 480×= 29-0.6= 0.85+0.15= 3.75÷0.25= 3.2-0.5= 569-399= 3.2-0.5= += 12÷ = 25÷= ÷= ×8.1= -= 18.25-3.3= ×= 0÷9.3= 453+198= 50÷0.1= ×81= 0×= 24×= 4×0.02= ×= ×= ÷= += 0.25×8= 236+64= 7.
5、8×0.5= 4.3-0.5= 7×0.6= 13÷= 5.01-1.8= 0.99×9+0.99= += 10-7.26= 75%+25%= 38÷4= ×= += ÷= 1-0.25= 11+= 910÷70= 45.7÷100= 9×3.14= 1.63+2.3= ÷= 480×= 29-0.6= 0.85+0.15= 3.75÷0.25= 3.2-0.5= 569-399= 3.2-0.5= +=
6、 12÷ = 25÷= ÷= ×8.1= -= 18.25-3.3= ×= 0÷9.3= 453+198= 50÷0.1= ×81= 0×= 24×= 4×0.02= ×= ×= ÷= += 0.25×8= 236+64= 7.8×0.5= 4.3-0.5= 7×0.6= 13÷= 5.01-1.8= 0.99×9+0.99= += 10-7.26= 75%+25%= 38÷4
7、 ×= += ÷= 1-0.25= 11+= 910÷70= 45.7÷100= 9×3.14= 1.63+2.3= ÷= 480×= 29-0.6= 0.85+0.15= 3.75÷0.25= 3.2-0.5= 36×= 0×= 125÷5= 312÷3= 8×= 63÷0.1= ×= -= 1.25×8= -= 3.68-0.82-0.18= 7.2÷4= 99-33=
8、 0.72÷0.6= 24÷= 1--= 2.5×4= 25×4= += += ××= 32×2.5= 1.5×4= 18×= 8.4÷0.4= 1+0.25= ÷= 9.7+0.3= 18×= ×= 3.7-0.4-0.6= 578+216= ÷3= ÷= += ××0= += 7÷= += ×= ++= ÷3= 78+26= 0.38+4.2= ××7= 18.25
9、3.3= 314÷3.14= 3.25+1.5= 36×= 0×= 125÷5= 312÷3= 8×= 63÷0.1= ×= -= 1.25×8= -= 3.68-0.82-0.18= 7.2÷4= 99-33= 0.72÷0.6= 24÷= 1--= 2.5×4= 25×4= += += ××= 32×2.5= 1.5×4= 18×= 8.4÷0.4= 1+0.25= ÷= 9.7+0.3=
10、 18×= ×= 3.7-0.4-0.6= 578+216= ÷3= ÷= += ××0= += 7÷= += ×= ++= ÷3= 78+26= 0.38+4.2= ××7= 18.25-3.3= 314÷3.14= 3.25+1.5= 36×= 0×= 125÷5= 312÷3= 8×= 63÷0.1= ×= -= 1.25×8= -= 3.68-0.
11、82-0.18= 7.2÷4= 99-33= 0.72÷0.6= 24÷= 1--= 2.5×4= 25×4= += += ××= 32×2.5= 1.5×4= 18×= 8.4÷0.4= 1+0.25= ÷= 9.7+0.3= 18×= ×= 3.7-0.4-0.6= 578+216= ÷3= ÷= += ××0= += 7÷= += ×= ++= ÷3= 78+2
12、6= 0.38+4.2= ××7= 18.25-3.3= 314÷3.14= 3.25+1.5= 36×= 0×= 125÷5= 312÷3= 8×= 63÷0.1= ×= -= 1.25×8= -= 3.68-0.82-0.18= 7.2÷4= 99-33= 0.72÷0.6= 24÷= 1--= 2.5×4= 25×4= += += ××= 32×2.5= 1.5×4= 18×= 8.4÷0.4= 1+0.25= ÷= 9.7+0.3= 18×= ×= 3.7-0.4-0.6= 578+216= ÷3= ÷= += ××0= += 7÷= += ×= ++= ÷3= 78+26= 0.38+4.2= ××7= 18.25-3.3= 314÷3.14= 3.25+1.5=






