求五年级上册40道题(减算 有难的有简单的!急
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求五年级上册40道题(减算 有难的有简单的!急
求五年级上册40道题(减算
有难的有简单的!急
求五年级上册40道题(减算 有难的有简单的!急
对不起,我只有这几道:
(1)25×1.2
=25×(1+0.2)
=25×1+25×0.2
=25+5
=30
(2)0.25×0.125×3.2
=(0.25×0.4)×(0.125×8)
=0.1×1
=0.1
(3)8.8×0.125
=1.1×(8×0.125)
=1.1×1
=1.1
(4)1+2+3+.+99+100
=(1+100)×100÷2
=101×100÷2
=10100÷2
=5050
(5)5.91×5×2
=5.91×(5×2)
=5.91×10
=59.1
(1)3643-74+6357-76
(2)39×24+39×46+39×30
(3)108×35
(4)345×98
(5)25×64×125×5
(6)8500÷25
(7)94×73+27×94
(8)125×79
(9)1.2×99
(10)9÷0.25
(11)4.7×5.9+5.2×4.7-4.7×0.1<...
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(1)3643-74+6357-76
(2)39×24+39×46+39×30
(3)108×35
(4)345×98
(5)25×64×125×5
(6)8500÷25
(7)94×73+27×94
(8)125×79
(9)1.2×99
(10)9÷0.25
(11)4.7×5.9+5.2×4.7-4.7×0.1
(12)3.6×2.4+36×0.76
(13)(3.25×7+3.25)×0.125
(14)37.5÷8÷1.25
(15)1.11-8.5×(7.1-0.11)×0
(16)17/18-11/27-5/18-7/27
(17)9/10+5/6+9/10-5/6
(18)1.3+1/4-1/2+1/4-0.2÷4
(19)12.5×88
(20)4.8÷(1.6×0.2)
(21)3.2×0.25×1.25
(22)1/3+1/6+1/9+1/18
(23)(3/11+0.87+0.23-3/11)÷0.03
(24)0.5×[3/4-(7/16-0.25)]
(25)1999+999×999
(26)12.75-(3/8+3/4)
(27)(1.2+0.25)×3×4
(28)0.375×101-37.5
(29)7.2×1000÷125
(30)53/6+37/4-23/6
(31)10-(1/2+1/10)
(32)24700-5278÷26×108
(33)3-5/13-8/13
(34)532.7-2.47
(35)0.084×7.5
(36)913.5÷0.29
(37)6.55×3.45
(38)126.6÷3.1
(39)0.1435÷1.5
(40)275+2254÷5-100
(41)4÷(1÷0.4)
收起
1+1+2+3+4+5+6+.........+100=
[1+101]*124=
1+1=
1+2=
1+3
1254+5689
12547+6547
1245+12
32658.3*56
2357/23.1
3643-74+6357-76
39×24+39×46+39×30
8500÷25
4.7×5.9+5.2×4.7-4.7×0.1
3.6×2.4+36×0.76
17/18-11/27-5/18-7/27