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六年级四则混合运算题

1. 3/7 * 49/9 - 4/3 2. 8/9 * 15/36 + 1/27 3. 12* 5/6 2/9 *3 4. 8* 5/4 + 1/4 5. 6÷ 3/8 3/8 ÷6 6. 4/7 * 5/9 + 3/7 * 5/9 7. 5/2 -( 3/2 + 4/5 ) 8. 7/8 + ( 1/8 + 1/9 ) 9. 9 * 5/6 + 5/6 10. 3/4 * 8/9 - 1/3 11. 7 * 5/49 + 3/14 12. 6 *( 1/2 + 2/3 ) 13. 8 * 4/5 + 8 * 11/5

00÷100÷4= 79) 2002*658= 80) 1428+(958+2572)= 81) 2001*786= 82) 190*760+190+3239*190= 83) 2976*1145+2855*2976= 84) 88*25= 85) 8122-(3084-1878)= 86) 879+(1295+2121)= 87) 3998+2001= 38) 2595*17

(1)3643-74+6357-76=9850 (2)39*24+39*46+39*30=3900 (3)108*35=3780 (4)345*98=33810 (5)25*64*125*5=1000000 (6)8500÷25=340 (7)94*73+27*94=9400 (8)125*79=9875 (9)1.2*99=118.8 (10)9÷0.25=36 (11)4.7*5.9+5.2*4.7-4.7*0.1=51.

103÷73-159-57= (2) 83*91÷131+38= (3) 197-46+67-13= (4) 38÷54*126-52= (5) 192+52*136÷66= (6) 123-47+159-16= (7) 164*23-126+74= (8) 117+21+17-19= (9) 7÷9*161

1) (58+370)÷(64-45)2) 86+(98+14+2)=3) 255+(352+145+48)= 4) (345+377)+(55+23)= 5) 9+(80+191)= 6) (268+314+132)+86= 7) 5190÷15= 8) 495+(278+5)+222= 9) 174*36

题:5/9X(9/5+18) 5/9X5/6+4/9÷6/5 =5/9*9/5+5/9*18 =5/9*5/6+4/9*5/6=1+10 =(5/9+4/9)*5/6=11 =1*5/6=5/613/14-15/28÷5/8 4÷4/5-4/5÷4 =13/14-15/28*8/5 =4*5/4-4/5*1/4=

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