100題五年級小數(shù)乘法簡便運(yùn)算

100題五年級小數(shù)乘法簡便運(yùn)算(1)0.82×116-0.82×16(2)12.5×5.5×8(3)4.4×0.4×0.25(4)0.25×0.39(5)12.5×(80+8)(6)0.64×12.5(7)6.4×12.5×2.5(8)0.49×0.4×0.025(9)2.5×(40+8)(10)0.57+0.057×99(11)64×12.5×2.5(12)0.96×104-0.96×4(13)6.4×12.5×0.025(14)4×0.28×2.5(15)0.25×41(16)3.2×107-3.2×7(17)9.8×85(18)64×0.125×2.5(19)1.25×(80+8)(20)0.032×99+0.32(21)12.5×1.2×8(22)2.5×39(23)64×12.5×0.25(24)0.25×0.37×0.4(25)5.8×77+5.8×23(26)0.24×2.5(27)0.77×115-0.77×15(28)4×0.91×0.025(29)4×1.6×0.025(30)0.49+0.49×99(31)72×1.25(32)64×1.25×2.5(33)1.25+1.25×79(34)0.4×0.64×0.025(35)4×0.79×2.5(36)2.3×98+2.3×2(37)0.34×90+0.34×10(38)4×9.9×0.025(39)0.47×0.8×1.25(40)0.31×93+0.31×7(41)64×12.5×0.025(42)0.054×102(43)1.3×0.4×0.25(44)0.86×8×12.5(45)0.23+0.023×99(46)0.016+0.016×99(47)12.5×8.1(48)4×0.75×0.25(49)6.4×1.25×0.25(50)12.5×79(51)(4+0.8)×2.5(52)9.9×4×0.025(53)(80+8)×12.5(54)8×4.4×0.125(55)8×8.9×12.5(56)0.29×(100-1)(57)1.25×0.81(58)0.99×101(59)3.8×4×0.25(60)6.5×8×1.25(61)0.047×102(62)0.125×88(63)1.25×0.57×8(64)0.98×39(65)8×0.67×0.125(66)0.25×7.6×4(67)1.25×8.8(68)0.037×119-0.037×19(69)0.16×0.25(70)6.4×1.25×2.5(71)4×4.8×2.5(72)2.8×0.25(73)9.9×21(74)8×0.29×1.25(75)2.5×1.6(76)64×0.125×0.25(77)0.79×(100+3)(78)0.125×56(79)9.3×8×12.5(80)12.5×81-12.5(81)0.057+0.57×99(82)64×1.25×0.25(83)0.26×117-0.26×17(84)0.18×0.8×1.25(85)0.99×85(86)0.62×102-0.62×2(87)8.3×99+8.3(88)6.4×0.125×0.25(89)0.4×8.1×0.25(90)98×0.47(91)3.2×1.25(92)8×0.69×0.125(93)12.5×(8+0.8)(94)2.5×8.7×4(95)40×1.25(96)