简便计算题大全四年级.doc

【精品文档】如有侵权，请联系网站删除，仅供学习与交流简便计算题大全四年级.精品文档.158+262+138375+219+381+2255001-247-1021-232(181+2564)+2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+999997755-(2187+755)2214+638+2863065-738-1065899+3442357-183-317-3572365-1086-214497-2992370+19953999+4981883-39812×2575×24138×25×4(13×125)×(3×8)(12+24+80)×50704×2525×32×12532×(25+125)88×125102×7658×98178×101-17884×36+64×8475×99+2×7583×102-83×298×199123×18-123×3+85×12350×(34×4)×325×(24+16)178×99+17879×42+79+79×577300÷25÷48100÷4÷7516800÷12030100÷210032000÷40049700÷7001248÷243150÷154800÷2521500÷1252356-(1356-721)1235-(1780-1665)75×27+19×2 531×870+13×3104×(25×65+25×28)(1)(78+61)+39 (2)700-82-18(3)348+163+242+410+537(4)125×47-47×25 (5)201×316(6)374-205+226-95 (7)3000-999(8)997×7+21 (9)87×470+870×53(10)(55+55+55+55×5)×125(11)125×(8+40)×25 (12)99+49×99(13)264×97+4×264(14)454+999×999+545(15)9999×36+6666×3×32(16)124×38+65×124+76×110-76×7(17)62×4+44×5+5×18(18)3400-62×34-38×20-38×14(19)1992×19911991-1991×19901990(20(2+4+6+100)-(1+3+5+99)1. 2.73 + 0.89 + 1.272. 4.37 + 0.28 + 1.63 + 5.721. 10 - 0.432 - 2.5682. 9.3 - 5.26 - 2.743. 13.4-(3.4+5.2)4. 14.9-(5.2+4.9)5. 18.32 - 5.47 - 4.326. 17.29 - 5.28 - 6.291. 25 × 6.8 × 0.042. 0.25 × 32 × 0.1253. 6.4 × 1.25 × 12.51. 0.45 × 2012. 0.58 × 10.13. 50.2 × 994. 4.7 × 9.95. 3.28 × 5.7 + 6.72 × 5.76. 2.1 × 99 + 2.17. 1.7 × 9.9 + 0.178. 23 × 0.1 + 2.3 × 9.91. 0.18 +4.26 -0.18 +4.26 2. 0.58 ×1.3 ÷ 0.58 ×1.3 3. 7.3 ÷4 + 2.7 × 0.25 4. 3.75 × 0.5 - 2.75 ÷ 2 5. 5.26 × 0.125 + 2.74 ÷ 8 a ÷ b ÷ c = a ÷ (b × c)6. 6.3 ÷ 1.87. 4.2 ÷ 3.58. 9.5 ÷(1.9 × 8)9. 12.8 ÷ (0.4 × 1.6)10. 930 ÷ 0.6 ÷511. 63.4 ÷ 2.5 ÷ 0.412. (7.7 + 1.54)÷ 0.713. (11.7 + 9.9)÷ 0.9