分数乘除法简便运算 100 题(有答案)84336(1)( +)×3 ×9(2)( -)×927(3) 16 ×(7 - 23 )(5)239 ×534 +27 × 4(7) 712 ×6 - 512 × 6(9) 37× 335(11)15321 ×4 + 1021 ×334 - 48815(4) 55516 ×9 + 9 × 66) 613 ×7625 - 13 × 5(8)38 +38 ×47 +338 ×7(10) 625× 24(12) 710 ×101- 710(888833(13)×—×(14)× 99 +999955484(15)( + )×7 ×9(16)3×2579(17) 36×3435(19)26213 × 51 1 1 (21) 10 25 3747(23) 7 8 7 8(25) 35 20 5 6 (27)334338 - 8 ×7 - 8 ×75(18) ( 56 - 59 )×185(20)32255 ×635 5 5(22)7 7(24) 9 19 29 1926) 559 12 49 51228)63 3762((2291626(29)÷+÷(30)×(15× )293137375283(31)××(32)25×4831545 1117 85121824 72(33)54×( - )(34)96356851921 4 19 0.3752325113 (36) 725(35)811 531115313 1 6848126424 24(37) (38) 71125434265 578157 5911 (40)343(39) 9 555 111 33 8 88 (42) 7912 7912 (41) 853533 44 24 0.6 (43)353(44) × 15 + 15 × (45) (46) 558 + 8 ×15 (47)8 (48) 163 ×7 + 23 × 67 (49(50) 5 × 3 + 5 × 57887(51) 815 × 516 + 527 ÷109(53) 23 ×7+ 23 ×5101× 425815 ÷8)( 90+ 188 )× 189(52)18×( 459 +6 )(54)( 116 -412 )×(24-5 )15444211(55)(×+)÷(56)÷[(+)×]57777351337431(57) 3×+×3(58)333×3811118357592525(59)(60)912125345631115(61)(32×+17)÷(62)(25+)÷+412444(63)54351131663 ()(65)[ ()] 9217823423(64)189799×+×+2516251616(66)(21× 3419+×21)×(67)(99+)÷977410(68)14421054÷[(+)×] (69)(+)×30155311659115691×-÷ (71)×58+×41+(70) 65105(72) 45 × 47 ×...