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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× =
二、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) 17.15-8.47-1.53 17 -3 -4
125×8.8 4.35+4.25+3.65+3.75 3.4×99+3.4
0.125×0.25×32 22.3-2.45-5.3-4.55
4.25-3 -(2 -1 ) 187.7×11-187.7 43 × +57.125× -0.5
3415 ×(57 -314 ÷34 ) 2.42÷ +4.58× -4÷3 212 ×6.6+2.5×635
1178 -613 -123 4.6+325 +635 +5.4 2.8+549 +7.2+359
445 -(245 +512 ) 438 +2.25+558+734 725+457+235
53611 -1647 +16511 0.625×0.5+58 +12 ×62.5%
237 +359 -337 +149 +147 0.75+58 +14 +0.375 5-21417 -1317
45 +945 +9945 +99945 +999945 48.3-1516 -456
956 ×4.25+414 ÷6 2.5×(910 +910 +910 +910 )
3138 ×72513 ÷3138 1645 +(247 -1.8) 22×34 +25×75%-7×0.75
0.25×63.5-14 ×1312 6715 ×2.5-212 ×4715
389 +3.125+119 +178 1125-996
(111+999) ÷[56×(37 -38 )] 49.5×1035 -(50-12 )×0.6
711 ×41419 +5519 ÷147 +711 45×(79 +415 -0.6)
897×38 -37.5%+104×0.375 314 ×(538 -5.375)
3.5×114 +1.25×2710 +3.8÷45 71×99 3755+2996
8439+1001 446+295 888+999 72×156-56×72
25×32×125 709×99+709 14. 0.25×48 2.5×37
0.4×213 299×101 563×999 212×6.6+2.5×635
75.3×99+75.3 4.6×3.7+54×0.37 0.125×34+18×8.25+12.5%
8.37-3.25-(1.37+1.75) 2100÷20 1178―613―123 15314―4.25―534
19.82―6.57―3.43 4.6+325+635+5.4 438+2.25+558+734
9.63÷2.5÷4 6÷0.25 235 - 135÷18 35 ×153 – 0.6×53
(45 +14 )÷73 +710 10 - 719 - 1219 + 119 25×13 ÷52 ×310
13.09-8.12-4.88 12×103-4500÷75
18 ×[12 ÷(35 ×109 )] (215 +311 )×15×11
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