四年级下册简便脱式计算.docx

1、四年级下册简便脱式计算1024 -16 X3(135415) -5+16164-13 X5+85330 -(65 50)64 X(12 + 65 -13)(315 X40 364) -795 -(64-45)128 6 X8 -16(20 + 120 -24) X8(2010 906) X(65+15)40 X20-200288 -(26 14) X8500 X6-(50 X2-80)(2010 906) X(65+15)(20 + 120 -24) X840 X20-200288 -(26 14) X8500 X6-(50 X2-80)(2010 906) X(65+15)(20 + 120

2、 -24) X840 X20-200288 -(26 14) X8500 X6-(50 X2-80)368 2649 135189101 1112412747657372 X98442 103142999 99 967 X5 X225 X(78 X4)72 X1259000 +125 -8400 -2525 X36103 X2776 X 1023600 -25-499 X 352512)X425 X32 X125125 X6467 + 42 + 33 + 58258 58 26 74125 X1650 X(2 X4)X257 X8 X3 X1226 X103501 X1225 X(40+8 )

3、39 X14 + 61 X14163 X8 + 37 X8202 X1377 X4 X527 X9948 X25098 + 30349 + 49 X4955 X25 + 25 X45123 X67 23 X6739 X101 3999 X64 + 6476 X23 + 24 X2312 + 19 X1221 + 254 + 79 + 4625 X16 X52450 -18420 -35480 -1521 X99125 X3212 X30175 X3 X419 + 99 X19256 X9 46 X913 + 13 X49(25+125 )X8541 X67 67 X44143 X201102

4、X35304 X22(30+4 )X2538 X7 + 62 X7152 X8 + 148 X816 X401103 X23(30 + 2 )X15125 X(8+16 )68 X48 + 68 X25 X27 + 63 X512 X(40 - 5)64 X9 - 14 X9102 X45648 + 20398 X3244 X2563 + 15 X243 + 43 X3927 X37 + 37 X23256 X7 56 X748 X101 4899 X62 + 6241 X99765 + 98560 -16201 X3436 X25304 + 29718 X45 + 18 X55226 X13

5、 26 X1315 X301 15(30+8 )X2525 X65 + 25 X2575 X141 75 X40125 X1825 X35 + 2571 X23 71 X13125 X(80 8 )101 X89 8988 X22 + 22 X1228 X57 + 43 X28202 X4125 X19 X447 + 99 + 47103 X3734 X20125 X5 X1656 + 56 X4957 X26 + 26 X43373 X9 73 X978 X101 78199 X53 + 5325 X124 24 X25250 X28125 X16250 X9 X448 X12524 X25

6、0402 X15(25+250 )X4199 X9 + 19927 X18 + 82 X272 X46 + 46 X18401 X25 ( 107 ) 72 X10142 X(30 1)101 X85 8525 X19152 X49+ 51 X15250 X(60 + 8)93 X99 + 9313 X125 X8125 X17 + 63 X125492 145 15543 X25 X224 X2528 X111 28 X11175 X23+23 X2563 X8 + 91 X63 + 6334 X52+34 X4863 X53+47 X63395 X118 18 X39578 X10296 X102125 X8165 X10158 X10125 X4131 X9942 X9829 X9985 X98125 X79