六年级数学期末四则混合运算

1、51714 rZ 42、10÷ +-)X-61518155311、计算，写出主要过程,简算的要简算18分)能。(105) 1681318 -191319163(41 4+ 5316X A75252、 3(3-)315101349492 -10)12÷ -530 X+ -÷ 48(8+ _456 15333411X+X3-÷ 357573310 32233 -(-)15 1421 27373419、(21X -+ _X 21)X(99 +)÷ 97741014421054 X÷ (+)X+)X 30155311653517/318724

2、(866151886121263350.375-()33597416126C6811Z 15. . 一-X 5÷ !9 +X (_+ 一7325259129121143511X(+ -)+ -X+ -48X(+ -255-10598634353 22 4(Z878 53 5(54)14141丄416XZ 814+ -X 15155 575255101335 2W 36+ X -129853 5517313 334÷ -+):IX + X (48845 7578542 32 T)1090+ 270÷ 18- 86451 c .1+ 3 ÷312)2(913

3、)12(52(3-)315 1498.9X 99+ 98.9494987866200820062007145、5811( -)+ ÷ 19131913121-(-1 134×(丄 + 丄)× 1317131 134 ×(+ ) X 1317132 4(233 5(541 1375 + 450÷ 18× 253.7X 10.13.6÷ 0.4+1.3X 5486+250× 16(181056(2319- X-)-=343811251+x(-)1313238.36-(1.8+3.56)÷2.585.6 

4、47;43 ×2-0.4 )-÷1 X1-1)125756 ÷X2-2987-7 X-531 2÷ -( + )8585(5-75%-)3X3.9 ÷.5-0.15 0.244(0.375 ×80-3.5) ÷5件 9+0.54)(2-0.4) ÷1 X(5 -)2036 10236+180 ÷ 15-136900-450÷18×14554615 5-+X(2-)_767559 8511492 13(+ -)>9+ )92323205 34(167-172 ÷3) &g

5、t;503571816÷12-36 X1.1+×+ 0.25 ×(3.5+4.5 ÷)571254560÷15-15 X25 773+ ÷- X360÷15+2.5 X143853L 珂_-_)8964420 360÷ 24 X 154 0.8 99104÷ (1.69÷3X8)51111× + ) ÷102381.25 ×0.98 ×0.8900 ÷(1-25%-30%)300 ÷(1+20%) × 40(0.675 

6、15;80-5.5 ) ÷).252.85 ×7.8-7.8 ×).8569.8- (9.8+45.25 ) -5.751670+800 × 7÷403.712777 X亠723-×40%+ ×40%(-).816799612241573 2 3+×(200-120 ) ×0.35204 5 20960-720 ÷ 48×5230× 3-826 ÷734 × (40-400 ÷25)4000 ÷ (16+832 ÷13 )12

7、5× ( 8×2) +100(640+360 ) -÷40+178( 326+95 × 5) ÷9(841-41 ) ÷ (25 ×4)560 ÷ 490 ÷ ( 34+36 )】65×12÷15×60134+266 × 9÷3(825+375 ) ÷25÷4810÷ ( 9×3) ÷525×125× (8×4)56×10275 ×48+75× 5268×98+68+6863×88+88×37500÷ (40+30 ) X5】【460- (84+51 )】÷513.72-2.9-3.41.56+9.82+1.0710.9-8.68+2.424.63-5.37+11.78.2