六年级数学总复习简便计算练习题
一、口算。(10分)
10-2.65= 0÷3.8= 9×0.08= 24÷0.4= 67.5+0.25= 6+14.4= 0.77+0.33= 5-1.4-1.6=80×0.125= ÷3×=
用简便方法计算下面各题。
1125-997 998+1246 4+3.2+5+6.8 12-(1+2)
400÷125÷8 25×(37×8)(-)×12 1×2×
34×(2+) 125×8.8 4.35+4.25+3.65+3.75 3.4×99+3.4
17.15-8.47-1.53 17-3-4 ÷2+×
0.125×0.25×32 22.3-2.45-5.3-4.55 (++)×72
4.25-3-(2-1) 187.7×11-187.7 43×+57.125×-0.5
×(-÷) 2.42÷+4.58×-4÷3 ×6.6+2.5×
-- 4.6+++5.4 2.8++7.2+ -(+)
+2.25++ ++ -+
+-++ 0.75+++0.375 5--
++++ 48.3-- ×4.25+÷6 0.625×0.5++×62.5%
×÷ +(-1.8) 2.5×(+++) 22×+25×75%-7×0.75
0.25×63.5-× ×2.5-× +3.125++ 1125-996
(111+999) ÷[56×(-)] 49.5×-(50-)×0.6 ×+÷+
45×(+-0.6) 897×-37.5%+104×0.375 ×(-5.375)
3.5×+1.25×+3.8÷ 71×99 3755+2996 8439+1001
446+295 888+999 72×156-56×72 25×32×125 709×99+709
×48 2.5×0.4×2 299×101 563×999 2×6.6+2.5×6
75.3×99+75.3 4.6×3.7+54×0.37 0.125×+×8.25+12.5%
8.37-3.25-(1.37+1.75) 2100÷20 11―6―1 15―4.25―5
19.82―6.57―3.43 4.6+3+6+5.4 4+2.25+5+7 9.63÷2.5÷4 6÷0.25
3-- ×+× ×+÷ 18×(+)
×7+×5 (-)×(24-) (×+)÷
÷[(+)×] ×7+×5 (-)×24-)
(×+)÷ ÷[(+)×] (32×+17)÷ (25+)÷+
×+×+ (21×+×21)× (99+)÷9 ×÷
÷[(+)×] (+)×30 +3÷ ×-÷
4-- ×58+×41+ ××- ×+÷
÷[(-)÷] 235 - 135÷18 ×153 – 0.6×53 (+)÷+
10 - - + 25×÷× 13.09-8.12-4.88 12×103-4500÷75
×[÷(×)] (+)×15×11