六年级分数乘法分配律练习题和详细讲解答案

1、分数乘法分配律练习题71(打手)X605(659)18x一5十 一) X 5105 )4+ 27")X279027x(78-+q-)32(+ 25-)X251-X(12+| )63153(24 8 )6x 一1524753X(T+T+T)学习资料(48+1)X 五5(6583+ -) X354173*kF481115x(-2+-6-+72-)22353-X+X2742746762x x135135x 61237一x一8115+x 612463616737一x+ XXX7137135135132X7+-2X521X-3- + -4-X21337763100X 101677X785X28

2、27373x一3534 X3435613X123rx825,7155(12-5 )X5X12(6)X6X18944。432513( + )X7X5学习资料71。X1Q1-71Q1223X19 +详解答案7 .= 12X60-1Tx601818+8= 3512= 3+16=23=195=6-X5)1818x5518= 3-2=1( 9_8_ =911十一) X 5105 )11='x5+ Tx51=1万4X27 + -2X27= 24+ 490x (一(182= 90X-18+ 30 )7+ 90X一30= 10+21学习资料=28=31学习资料12rx(12+3 )32= 1X25 +

3、市X25112=-x 12+x-66 3= 15+21=2 + -9=17153(248)61524753X（才+旗+不）15=2461515= 24X -+ 24X + 24X2464=4 20= 7+20+18=451=10248(48 + )3= 48X彳+五71="20一20= 7-4=313亍）x35学习资料55=-X18- -X186913=X35+ X3557= 7+15= 15- 10=22174811x(_24-+_6-+72-)=x +x174171721115= 48X+ 48X +48X 246123-17 +2= 22+8+20=502235x +x2742

4、767X 13562X 13522=(27 + 27)*丁）3=1X 46=7FX14X + X811116=13J6 +6=(+) X6(1212 )3二.X(R= 1X63-1636x十x一13713613=1x6136131673x ：51351637=()(55)13137= x5137=-5-713_ 2_X7+ X5321x74+ X2122= (=-)X53334= 21X( + )= 1X5= 21X1=2163100X 101677X7863100-x (100 + 1)6,= .X(77 + 1)63100X 100+63100677X77 +677= 63+63100=6

5、 +677学习资料63= 63wo=6677373355= X(27+1)= (35+2) X33555=X 27+X 127273= 35X 353+ 2X355=5 +27=3 +6356=3534 X3435613X1234= (35 "慈6= Trx(13-1) I O3434= 35X 1 X一35356136x 13-x 11334=34351 =331 357 =51344X 105253rx84=(4+丁)><1。3= (25+t)X8，“ 4”= 4X1。+ -X1Oc3、c= (25 X8+-) x 8= 40+ 8= 200+3=48= 2033X2553+ -) X7X54= (3+2513= X7X5+元 X7X5CCL42= 3X25+25= 7+15= 75+ 20=22=95(- 一 )X5X1255-)X6X1869 )= 7X5X 12-x5x 1212555= -X6X18-X6X18= 90-60=30= 35- 12 =23107x 101- - 101266x +13137= 0-x(101-1)6= (12 + 1)x-