六年级数学,10道简便计算题带答案谢谢哦∩_∩?
1、2.64×1.7-2.64×0.7
=2.64×(1.7-0.7)
=2.64×1
=2.64
2、31.5×1.07-3.15×0.7
=3.15×10.7-3.15×0.7
=3.15×(10.7-0.7)
=3.15×10
=31.5
3、2.7×5.7-2.7+5.3×2.7
=2.7×(5.7-1+5.3)
=2.7×10
=27
4、0.625÷0.125×0.8
=(0.625×0.8)×8÷(0.128×8)
=0.5×8÷1
=4
5、18.6×6.1+3.9×18.6
=18.6×(6.1+3.9)
=18.6×10
=186
6、1.3579+3.5791+5.7913+7.9135+9.1357
=(1+3+5+7+9)×1.1111
=25×1.1111
=27.7775
7、52.5×2.9+5.45
=5.25×29+5.25+0.2
=5.25×(29+1)+0.2
=5.25×30+0.2
=157.5+0.3
=157.7
8、0.92×15+0.08×15
=(0.92+0.08)×15
=1×15
=15
9、25×32×125
=25×4×8×125
=(25×4)×(8×125)
=100×1000
=100000
10、4000÷125÷8
=4000÷(125×8)
=4000÷1000
=4
6年级下册数学简便计算,含答案?
1.25×(8+10)
=1.25×8+1.25×10
=10+12.5
=22.5
=1.24×8.3+8.3×1.76
=8.3×(1.24+1.76)
=8.3×3
=24.9
8.3×(6.3+3.7)
=8.3×10
=83
2.7×5.7-2.7+5.3×2.7
=2.7×(5.7-1+5.3)
=2.7×(4.7+5.3)
=2.7×10
=27
怎么样才能在一个晚上写完六年级600个计算题
- 你别睡了吧
六年级简便分数计算题
- 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)( - )×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 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 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 0.625×0.5+58 +12 ×62.5% 3138 ×72513 ÷3138 1645 +(247 -1.8) 2.5×(910 +910 +910 +910 ) 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姬甫灌晃弑浩鬼彤邯廓 -5.375) 3.5×114 +1.25×2710 +3.8÷45 71×99 3755+2996 8439+1001 446+295 888+999 72×15……余下全文
六年级数学简便计算题目及答案~~~谢谢!!!!
- 注意是简便计算。
- 可是————————-题目呢
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六年级计算题
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