1、五年级计算题分数混合计算大全一、直接写出得数。 = 2 = = = 102141359721 = = 2= = 55 510 = = 1 = =2312656 = = = 1 = 554832 = = = = =92176321047935 = = = =64512730287 = = = 1 = 5434130.150.6= 740= 2 = =13 25 45 = 1.22.4= = 0.648=12 23 13 140.750.25= 100.06= = 12.580=512 712 = 0.53= = 5 =58 78 13 16 16+ + 1+ 212189423+ + + 533
2、613103874+ 1 + + 0574221 5- = 1- - =56 49 710 15 35 14 4115450.001= 2.54= + = - = 314516+ + = 2 = =15413 25 45 = = 1 = =2 665 = = = 2 =51045831 = 1.22.4= = 0.648=12 23 13 140.750.25= 100.06= = 12.580=512 7122.4 0.03= 0.5 7.52.5 0.3913=13 = 0.53= = 5 =58 78 13 16 16 = = = = =927258107 = = = 1 = =7131
3、29534 = = = = 8354538215+ = 6.80.08 1605 25 35 56 561.449 + 2.76100 8.71.93.1 45 35+ 1 - 0.146 480.656 1517二、解方程0.3= 45 =28 =5235412 = = 2 =2154612651X = x = X( )=1367 712 14 716 524 724+ = - = - =1 37 34 512 38 56+ = - = - =1 37 34 512 38 56 = 41.636 X =37 18 12 734X = 2X =1- 5.5X-3X1535 710 51 = 2
4、 = 7546511423Xx = x = x( )=8365612314372X = x = X( )=1367 712 14 716 524 724 = = =54687530三、计算,要写出主要计算过程,能用简便方法的要用简便方法计算。 (18 分) 51232134 2 5124 157( ) 2 5483417348531268 7.5 322.5 ( )12521 ( )79615715352 1 5134 56 ( )72615715352( ) 89 29 13 1115 1017 415 517( ) ( ) + + + 1720 720 512 89 29 13 29 45 79 157- - + + 6- ( - )57 57 45 1115 310 34 257 ( ) ( )3417351051683( ) 531236543125372 734195127415831635)8365(1 )54127(146296753215872+ + 60.62(9.212.62) 6.8 3.254103 615 ( )157341965218710( ) ( ) 6( 954321083523152343)2 5 413279813794( )58187 2( )51232134315 ( )2103579615715352