一:求: 六年级(上册)四则混合运算练习题100道 20分
(1)3643-74+6357-76=9850
(2)39×24+39×46+39×30=3900
(3)108×35=3780
(4)345×98=33810
(5)25×64×125×5=1000000
(6)8500÷25=340
(7)94×73+27×94=9400
(8)125×79=9875
(9)1.2×99=118.8
(10)9÷0.25=36
(11)4.7×5.9+5.2×4.7-4.7×0.1=51.7
(12)3.6×2.4+36×0.76=36
(13)(3.25×7+3.25)×0.125=3.25
(14)37.5÷8÷1.25=3.75
(15)1.11-8.5×(7.1-0.11)×0=1.11
(16)17/18-11/27-5/18-7/27=0
(17)9/10+5/6+9/10-5/6=1.8
(18)1.3+1/4-1/2+1/4-0.2÷4=1.25
(19)12.5×88=1100
(20)4.8÷(1.6×0.2)=15
(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)]=9/32
(25)1999+999×999=1000000
(26)12.75-(3/8+3/4)=93/8
(27)(1.2+0.25)×3×4=17.4
(28)0.375×101-37.5=3/8
(29)7.2×1000÷125=57.6
(30)53/6+37/4-23/6=14.25
(31)10-(1/2+1/10)=9.4
(32)24700-5278÷26×108=2776
(33)3-5/13-8/13=2
(34)532.7-2.47=530.23
(35)0.084×7.5=0.63
(36)913.5÷0.29=3150
(37)6.55×3.45=9039/400
(38)124÷3.1=40
(39)0.1435÷1.5=287/3000
(40)275+2254÷5-100=625.8
(41)4÷(1÷0.4)=1.6
(42)1÷0.2+(2-0.7)×5=11.5
(43)9×3-1.7+13.4=38.7
(44)22-0.8÷2=21.6
(45)4×(12.6-9)+8=22.4
(46)22.2-4.8+3.2-12=8.6
(47)0.3×5+3-4.5=0
(48)2x1.5x0.8=2.4
(49)0.8x6+16=20.8
(50)1+0.2x1.6=4.2
(51)1.5+0.9×3.6=4.74
(52)3/4÷0.75+3=4
(53)2.8×4.5+72×0.5=48.6
(54)0.6x0.1x2=0.12
(55)280+720=1000
(56)1076-86=990
(57)32×0.25=8
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