口算练习题一 (第一周) 4
325×100= 2
5×8= 21 ×21 = 32 ×43 = 12×32 = 41 +3= 0
6÷35 = 4
4-335 = 16 ÷16 = 45 ×58 = 3
6-135 = 23 ×52 = 74 ÷32 = 1
4= 83 ÷3= 36×21 = 21 ÷52 = 18×700= 400÷80= 64÷4= 360÷20= 1÷75 = 98 ÷4= 3-1
95= 87 -43 = 1
64÷41= 10÷20= 24÷15= 8
65×10= 45+109 ÷9= 1-54 ÷54 = 3×31 ÷3×31 = 10-0
5+5= 4 - 31 = 7÷1
4= 口算练习题一 (第二周) 85 + 84 = 59 ×32 = 118 ÷8= 41 +31 = 0
125×4= 3
13= 32 ÷23 = 31 ×27= 26×21 = 76 ×2= 32 ÷32 = 41 ÷31 = 132 ×2= 265 ×13= 54 ×3= 54 -107 = 41 ×8= 41 +3= 7
8÷4= 5
2÷13= 3
6-135 = 23 ×52 = 74 ÷32 = 1
05= 53 ×21 = 71 ÷21 = 24÷32 = 83 ×54 = 12÷12 = 1÷7+ 76 = 712 ÷74 = 1-1× 31 = 口算练习题三(第三周) 2
4= 83 ÷3= 36×21 = 21 ÷52 = 0
95×1000= 5÷6= 65 ÷5= 95 ×18= 76 ÷56 = 53 ×21 = 71