974 preguntas de prueba reales
(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 p>
(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=1
(22)1/ 3 1/6 1/9 1/18=1
(23)(3/11 0.87 0.23-3/11)÷0.03=37
(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
(58)1/3 1/5=8/15
(59)30 ?=900
(60)0.1÷1=10
(61)3.14×7=21.98
(62)2/5-1/4 =0,15
(63)6300÷70=90
(64)45×3/15=9
(65)1/7-1/ 9=2/63
(66)36-4/9=320/9
(67)45-0.5=44.5
(68)5 /6-1/6=2/3
(69)2/5 1/2=0.9
(70)3/4 1/6=11/12 p>
(71)2x2/5 27/5=6.2
(72)24x1.2-4=24.8
(73)6.5 2x16.5=39.5
(74)8.1÷27×3=0.9
(75)1-2/5-17/50=13/50
(76)4 /7-2/5=6/35
(77)264 318-8280÷69 =462
(78)5/6-1/4 2/3=5 /4
(79)11/28 (5/14 3/7)=33/28
(80)7-(3/4-2/5)=133 /20
(81)285 (3000-372)÷36 =358
(82)796-5040÷(630÷7)=740
(83)3168-7828÷38 504 =-100656
(84)1406 735×9÷45 =1553
(85)14.6-(4.6 7.2)=14/5
(86)1-1/2-1/3-1/6=0
(87)3/10-7/30 4/10=7/15
(88)999×85 854×(6.5÷1.3)=89185
(89)1.5-0.05×(1.5-1.5)=3/2
(90)9/10-(1/6 3/5)=2/15
(91)4/3-(2/5 3/10)=19/30
(92)2/5 1/3 3/5=4/3
(93)20-(5,35 0,15) 6,3=104/5
(94) 1/2-(3/4-3/8)=1/8
(95)7/8-5/12 1/6=5/8
(96 )(174 209)×26- 9000 =958
(97)814-(278 322)÷15=774
(98)2/5 3/5 3/7 -3/9=23/21
(99)5/6 5/12=5/4
(100)1-(8/13 5/13)=0