1、200道数学分数简便运算题 1.46+2.5 0.125322.5 4.62.147+5.47.853 80799+807 0.6+3.1+5.4+6.9 2.25+1+4+6.625 1.8+19.2 6.130.87 1.5+0.86.5+2 (+)48 189 0.45.2+2.2+402.6 5.699+5.6 2527.25 12.50.2532 18(+) 4.381.56+0.620.44 9.96.96.93.9 + 11+2121 73.87+25.1322 100.350.6523 251.253224 0.251+6.625 2.6+226 40.23227 4.7+56
2、+5.3+4428 24(+)29 4730 2.74+4.2631 19.75(1.75+1)32 7.21.25833 1361361360.234 1751+(+)1735 5936 27937 (0.25)(0.74)38 19.9+19.99939 100.940 20(+)41 0.7516+57542 5.393.61143 12()44 3.143.1445 2.70.6+2.72.746 2700.422.50.547 95386248 0.125322.5 49 5.699+5.6 50 2.25+1+4+6.62551 11+21 52 99 5354 1.8+19.2
3、55 (+)48 56 1.5+0.86.5+257 7.21.258 58 1024.5 59 (0.25)(0.74)60 3635 61 62 0.12 4.80.124.863 189 64 65 (3817) 66 0.45.2+2.2+402.6 67 2007200768 69 18 7071 72 7374 75 99999999992 76 77 2.70.6+2.72.7 78 (+)3 9 79 (- ) 80 (7 - ) 81 + 82 + 83 - 84 6 - 6 85 +86 37 87 24 88 + - 89 101- 90 91 99 + 92 ( + )
4、7 9 93 325 94 36 95 ( - ) 96 26 97 3298 99 100 101 102 103 104 - - 105 106 107 108 254109 54(- ) 110111 112 113 114 115 116 117 118 119120 6.83.2 121 101 122 15 123 88124 125 ( 90) 126 +127 + 128 (52)18(+)129 7+5 130 ()(24)131 (+) 132 (+)133 134 3 135 136137 (3217) 138 (25) 139 140 141 142 (2121) 14
5、3 (99)9 144 () 145 ()30 146 147 5841148 149 150 () 151 153 0.653152 () 153 () 154 ()1511 155156 46 157 2008 158 159 160 36 161 162 101- 163 164 165 17 166 37 167 2004168 73 169 16641 170 39 + 25 + 171 1(2 - )+ 15 172 20002000 173 174 325 + 37.96175 (9+7)(+)176177 178 18 179 0.7516+575 180 953862 181 2.70.6+2.72.7 182 1751+(+)17183 1361361360.2 184 18(+)185 186 187 20(+) 188 24(+)189 18(+)190 0.251+6.6191 953862192 + 193 59 194 2.74+4.26 195 100.9196 6.130.87197 100.350.65198 73.87+25.13 199 2700.422.50.5 73.87+25.13 200