1 六年级数学总复习简便计算练习题 一、口算
(10 分) 10-2
35 0÷3
8= 0 9×0
72 24÷0
4=60 67
75 6+14
6=5-3=2 80×0
125=80* 81 =10 73 ÷3× 71 = 73 * 31 × 71 = 4 91 二、用简便方法计算下面各题
(90 分,4×20+5×2) 1125-997 998+1246 4 31 +3
2+5 32 +6
8 12 52 -(1 72 +2 52 ) 400÷125÷8 25×(37×8) =1125-(1000-3) =(998+2)+(1246-2) =(4 31 +5 32 )+(3
8)=12 52 -2 52 -1 72 =400÷(125*8)=25*8*37 =1125-1000+3 =1000+1244 =10+10=20 =10-1 72 =8 75 =400÷1000= 52 =200*37=7400 =125+3=128 =2244 ( 41 -61 )×12 1 43 ×21 54 × 74 34×(2+ 3 41 3 ) 125×8
4×99+3
4 =(2 46 -2 44 )*12 =47 ×21 54 × 74 =34×2+34× 3 41 3 =125*(8+0
8) =(4
65)+(4
4*(99+1) = 2 42 *12 =(47 × 74 )*21 54 =68+13 =125*8+125*0
8 =8+8=16 =3
4*100=340 =1 =1*21 54 =21 54 =81 =1000+100=1100 2 17