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分数乘除法简便运算100题(1)

分数乘除法简便运算100题

(1)(89 +427 )×3 ×9 (2)(38 - 38 )× 615

(3) 16 ×(7 - 23 ) (4) 56 ×59 + 59 × 16

(5)29 ×34 +527 × 34 (6) 613 ×75 - 613 × 25

(7) 712 ×6 - 512 × 6 (8)38 +38 ×47 +38 ×37

(9) 37× 335 (10) 625 × 24

(11)1521 ×34 + 1021 ×34 - 34 (12)710 ×101- 710

(13) 89 ×89 —89 ×89 (14) 35 × 99 + 35

(15)( 47 + 89 )×7 ×9 (16)345 ×25

(17) 36×3435 (18) ( 56 - 59 )×185

(19)2623 × 15 (20)3225 ×56

(27)38 - 38 ×47 - 38 ×37 (28)623763

(30)229 ×(15×2931 ) (79)391437

(80) 46×4544 (81) 2008×20062007

(82) 47 ×1522 ×712 (83) 910 ×1317 +910 × 417

(84)36×937 (85)1113 -1113 ×1333

(86) 257×101-257 (87) 95739574

(88) 59 × 34 +59 × 14 (89)17× 916

(91)4544×37 (92)2004×200367

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