文档介绍：班级: 姓名: += × 2= - = × = 6× = - = × = × 100= × = ÷ = ÷ 7= ÷ 100= ÷ = × 8= ÷ = ÷ 2= ÷ 28= ÷ = ÷ = ÷ = ÷ 24= × = += - = ÷ 4= ÷ 13= ÷ 5= ÷ 41= 10÷ 20= 24÷ 15= × 10= × = × = × 1000= × = × = ÷ = ÷ 9= ÷ = ÷ 2= ÷ = ÷ = × 100= × 8= 0. 56÷ = × 4= × = ÷ = × = × = × = ÷ = 1÷ = × = ÷ = 0÷ = × 102= 9÷ ÷ 4= × × 4= ( + )× = -= -= += -= += -= 班级: 姓名: -= += -= 1-= += 5× 400= += 187 ÷ 1000= 1+= × 10= 75÷ 10= ÷ = × 7= × 7= × 8= × 8= × 2= 5× = × = × = × 0= 10× = × 7= × 100= × 4= × 4= 4× = 430-250= += -= 7200 ÷ 800= += -= 17× 300= -= += 600 × 700= += += 670+250= += -6= 8500 ÷ 500= -= += 25× 100= -= 2+= 380-290= += += 3500 ÷ 70= +3= += 7500 ÷ 250= +1= -= 450+780= += 3+= 630 ÷ 9= -= -5= 330 × 9= -= -= 班级: 姓名