二年级学生怎样做口算题快

二年级学生怎样做口算题快

读出来！但声音不要太大。

口算： 1.120×2= 2.90÷30= 3.270÷30= 4.270×30= 5.84÷21= 6.76÷9= 7.66÷7= 8.100－54= 9.123＋15= 10.360÷4= 11.55÷5= 12.32×6= 13.200÷40= 14.180÷30= 15.240÷40= 16.35×2= 17.140×7= 18.13×6= 19.280×3= 20.350×2= 21.50×11= 22.250×6= 23.7200+900= 24.410-201= 25.125×8= 26.48×20= 26.6600÷600= 27.390+140= 28.11×80= 29.24×50= 30.3600÷400= 31.530－70= 32.420－90= 33.9600÷30= 34.7×700= 35.203+98= 36.1800÷300= 37.240+570= 38.4800÷400= 39.370+580= 40.580－490= 41.910－370= 42.25×8= 43.270－190= 44.36×2= 45.75÷25= 46.330÷11= 47.6×800= 48.5400÷9= 49.420÷60= 50.3×330= 51.300×7= 52.9×500= 53.390÷13= 54.6300÷700= 55.5600÷700= 56.4800÷12= 57.3500÷7= 58.370＋560= 59.520＋490= 60.450－90= 61.80＋330= 62.70×700= 63.7000÷70= 64.4000÷80= 65.2400÷200= 66.420－90= 67.170＋320= 68.1000－51= 69.910－190= 70.35×200= 71.22×200= 72.8800÷400= 73.9300÷300= 74.6×300= 75.24÷4= 76.7＋63= 77.9×4= 78.36÷6= 79.9×7= 80.56÷8= 81.8＋6= 82.7×5= 83.36＋4= 84.30÷5= 85.63÷9= 86.64÷8= 87.38＋16= 88.45÷5= 89.7÷1= 90.25＋23= 91.2＋35= 92.27＋71= 93.46＋33= 94.40÷8= 95.21＋15= 96.6＋22= 97.59＋18= 98.72＋24= 99.41－29= 100.44－9= 101.72＋16= 102.43＋32= 103.35－8= 104.56÷7= 105.8×2= 106.7＋56= 107.56÷7= 108.12÷6= 109.4×2= 110.21－7=

我的经验是多做题，然后多背一些常用数的加减乘除值，以前听说印度人背乘法口诀不是背9*9，而是背99*99，多背诵一些，多记忆一些，算起来就快了