Question

小学二年级数学,75与27的差是什么

Answer 1

解：
75-27=48
答：75与27的差是48 。

Answer 2

2年级数学竖式题100道25 -15 -80 = 10 -80 = -70 26 -6 -64 = 20 -64 = -44 27 + 3 -48 = 30 -48 = -18 28 + 12 -32 = 40 -32 = 8 29 + 21 -16 = 50 -16 = 34 30 + 30 + 0 = 60 + 0 = 60 31 + 39 + 16 = 70 + 16 = 86 32 + 48 + 32 = 80 + 32 = 112 33 + 57 + 48 = 90 + 48 = 138 34 + 66 + 64 = 100 + 64 = 164 35 + 75 + 80 = 110 + 80 = 190 36 + 84 + 96 = 120 + 96 = 216 37 + 93 + 112 = 130 + 112 = 242 38 + 102 + 128 = 140 + 128 = 268 39 + 111 + 144 = 150 + 144 = 294 40 -30 -140 = 10 -140 = -130 41 -21 -124 = 20 -124 = -104 42 -12 -108 = 30 -108 = -78 43 -3 -92 = 40 -92 = -52 44 + 6 -76 = 50 -76 = -26 45 + 15 -60 = 60 -60 = 0 46 + 24 -44 = 70 -44 = 26 47 + 33 -28 = 80 -28 = 52 48 + 42 -12 = 90 -12 = 78 49 + 51 + 4 = 100 + 4 = 104 50 + 60 + 20 = 110 + 20 = 130 51 + 69 + 36 = 120 + 36 = 156 52 + 78 + 52 = 130 + 52 = 182 53 + 87 + 68 = 140 + 68 = 208 54 + 96 + 84 = 150 + 84 = 234 55 -45 -200 = 10 -200 = -190 56 -36 -184 = 20 -184 = -164 57 -27 -168 = 30 -168 = -138 58 -18 -152 = 40 -152 = -112 59 -9 -136 = 50 -136 = -86 60 + 0 -120 = 60 -120 = -60 61 + 9 -104 = 70 -104 = -34 62 + 18 -88 = 80 -88 = -8 63 + 27 -72 = 90 -72 = 18 64 + 36 -56 = 100 -56 = 44 65 + 45 -40 = 110 -40 = 70 66 + 54 -24 = 120 -24 = 96 67 + 63 -8 = 130 -8 = 122 68 + 72 + 8 = 140 + 8 = 148 69 + 81 + 24 = 150 + 24 = 174 70 -60 -260 = 10 -260 = -250 71 -51 -244 = 20 -244 = -224 72 -42 -228 = 30 -228 = -198 73 -33 -212 = 40 -212 = -172 74 -24 -196 = 50 -196 = -146 25 -15 -80 = 10 -80 = -70 26 -6 -64 = 20 -64 = -44 27 + 3 -48 = 30 -48 = -18 28 + 12 -32 = 40 -32 = 8 29 + 21 -16 = 50 -16 = 34 30 + 30 + 0 = 60 + 0 = 60 31 + 39 + 16 = 70 + 16 = 86 32 + 48 + 32 = 80 + 32 = 112 33 + 57 + 48 = 90 + 48 = 138 34 + 66 + 64 = 100 + 64 = 164 35 + 75 + 80 = 110 + 80 = 190 36 + 84 + 96 = 120 + 96 = 216 37 + 93 + 112 = 130 + 112 = 242 38 + 102 + 128 = 140 + 128 = 268 39 + 111 + 144 = 150 + 144 = 294 40 -30 -140 = 10 -140 = -130 41 -21 -124 = 20 -124 = -104 42 -12 -108 = 30 -108 = -78 43 -3 -92 = 40 -92 = -52 44 + 6 -76 = 50 -76 = -26 45 + 15 -60 = 60 -60 = 0 46 + 24 -44 = 70 -44 = 26 47 + 33 -28 = 80 -28 = 52 48 + 42 -12 = 90 -12 = 78 49 + 51 + 4 = 100 + 4 = 104 50 + 60 + 20 = 110 + 20 = 130 51 + 69 + 36 = 120 + 36 = 156 52 + 78 + 52 = 130 + 52 = 182 53 + 87 + 68 = 140 + 68 = 208 54 + 96 + 84 = 150 + 84 = 234 55 -45 -200 = 10 -200 = -190 56 -36 -184 = 20 -184 = -164 57 -27 -168 = 30 -168 = -138 58 -18 -152 = 40 -152 = -112 59 -9 -136 = 50 -136 = -86 60 + 0 -120 = 60 -120 = -60 61 + 9 -104 = 70 -104 = -34 62 + 18 -88 = 80 -88 = -8 63 + 27 -72 = 90 -72 = 18 64 + 36 -56 = 100 -56 = 44 65 + 45 -40 = 110 -40 = 70 66 + 54 -24 = 120 -24 = 96 67 + 63 -8 = 130 -8 = 122 68 + 72 + 8 = 140 + 8 = 148 69 + 81 + 24 = 150 + 24 = 174 70 -60 -260 = 10 -260 = -250 71 -51 -244 = 20 -244 = -224 72 -42 -228 = 30 -228 = -198 73 -33 -212 = 40 -212 = -172 74 -24 -196 = 50 -196 = -146 11 3^3-5 12 4^2-34% 13 3.25-315% 14 7^3+445% 15 12+5268.32-2569 16 123+456-52*8 17 45%+6325 18 1/2+1/3+1/4 19 789+456-78 20 45%+54%-36% 2. 脱式计算（能简算要简算）12% 6/7＋2/15＋1/7＋ 13/15 19/21＋5/7－3/14 2/3＋5/9－2/3＋5/9 8/9－（1/4－1/9）－ 3/4 一、 计算（60%） 1、 口算（14%） 3.5×2= 4.8÷1.2= 8-7.5= 1.4×0.5= 1- = 10.5-3.5= 0.6+2.5= 15×0.6= 1÷0.4= + = 4÷20= 1.25×0.8= 0.32×10= 2.5-2.5×0.4= 2、 怎样算简便就怎样算（12%） 12.5×3.2×0.25 4.56×101－4.56 （0.2＋7.63÷0.7）×0.1 3、 解方程（12%） 0.12χ＋1.8×0.9=7.2 (9－5χ)×0.3=1.02 6.4χ-χ=28+4.4 (时间：90分钟 总分：100分) 一、填空(20分) 1．最大的四位数是( )，最小的五位数是( )． 2．用0、2、5这三个数字组成最大的三位数是( )． 3．7496100读作( )，约是( )万． 4．三千六百万零七十写作( )． 6．0.89由( )0.1和( )0.01组成． 7．被减数、减数、差三者的和是24，被减数是( )． 8．72个0.01组成的数是( )． 9．9000公顷=( )平方千米． 10．3平方千米=( )平方米． 11．一个数千位和百分位上都是“9”，其余各位均为“0”，这个数是( )． 12．0.37写成分数是( )． 13．被除数等于除数( )商． 14．两个因数的积是96，其中一个因数是6，另一个因数是( )． 15．499000约等于( )万． 16．万级上的计数单位有( )． 二、判断(16分) 1．亿以内数的读法，每级末尾不管有几个，都只读一个“零”． ( ) 2．整数都比小数大． ( ) 3．一个因数不变，另一个因数扩大10倍，积也扩大10倍． ( ) 4．80.80读作：八十点八十． ( ) 5．积一定比因数大． ( ) 6．4角8分等于0.48元． ( ) 7．3700÷200商是18余数是1． ( ) 8．比较小数的大小要先比较整数部分，再比较小数部分． ( )