一、口算
13154233× ×3 2× 5× 6× ×2 3×
55595911977335×12 10× ×16 7× 4× 21× 12×1 161510134141111512× 12× 1×3 ×3 ×3 5×2 ×2
392425324577×2 5× ×6 100× ×4 21× ×4
97574121131321151273115× × × × × × ×
82359346381444483682162738155× × × × × × × 387255964929245494157251341× 75× ×140 × ×9 × ×
83868354710914311211452227938× × × ×2 × × ×
313138633397211818651441× 2× 7× ×5 ÷2 ÷3 ÷6
595677723514681÷12 ÷5 ÷9 ÷10 ÷6 2÷ 2÷
88315131528262142512÷ 8÷ ÷3 6÷ ÷ ÷ ÷4
3373593124133557173÷ ÷ ÷7 ÷ 6÷ 6÷ 6÷1 34567541241223513936÷ 6÷ 8× ÷4 ÷ ÷4 ÷
53522444211876554787× ÷ ÷ 7÷ + ÷2 100×
54395181875154556783244335× 12÷ ÷ × ÷ ÷ 100× 98251020102573151215144242235- 24× 1÷ 5÷2 ×7 ÷12 × 15539334143451114534528× ÷ × ×18 × 1÷ -
578103347512621二、脱式计算
13536353932431412×× ×÷ 12÷÷ ÷× ×× 2÷(×)
3495781059525358
35125125152131×(1÷) 12÷(÷) ×6× ×× ×17+×17 ×(×) 59536756665745
(
9517252323533+)×17 +3× 18×(3-) ÷3- 4÷÷ ×+×
206669734424221125152459912144515+÷ ×× 9×+÷9 12×(+-) ×× ×÷ 59939515612131367121594 (1+
18563362111173411
×24+24× × ÷ + ÷ - × ( - )× 22÷( + ) 99925107731234841556
511125163351071
÷3- 1÷( ÷ ) + - 35÷( ÷ ) ×( - ) × ×39 7214531265710721132
38335921 ×5 + ×5 - × × + 111181061032
三、解方程
165452133x= x=10 x=25 x= x=6 x=7 x=4
55636924 531242217x= 8x= x =6 x =1 x= x=54 x=35 8128937334
7113x =16 1.5x =28.5 8x=42 4+x=102 x-x= x-0.8x=22 20% x = 30
102481735383112)×10 36×+36× 4÷- 98÷(÷) 21×(1+ ) 12×( ÷ )
7510883515157241113319x+x=42 x-= x+=6 6 x+x=9 2x -x= x+=12 332424222 52223511
x-8 x =15 3 x = 9 5 x-10 x =120 x ÷8 = 12 5 + 3 x =13
四、直接写得数
3×15= 45×3= 10×715= 34×16= 1×3= 13×3= 100×25= 712×4= 35×29= 758×14= 29×76= 8525×4= 310×49= 4313×8= 65×56= 2×12= 368÷5= 13÷9= 512÷3= 6÷14= 5737÷5= 6÷5= 924÷32= 5÷4= 83÷2= 100×815= 1415-45= 24×34= 35÷4457= 75×12=
2×35= 7×710= 19×3= 21×47= 13×14= 56×78= 13×1213= 7×17= 58÷10= 213÷5= 6÷34= 15÷23= 37×59= 1÷23= 56×18= 5×15= 4×313= 5×2= 711×4= 25×13= 75×23= 526×3= 15×5= 815÷6= 429÷3= 6÷1= 79×65= 12÷58= 5÷2= 58×310= 16×59= 21×514= 52×2= 34×14= 384×9= 114×140= 23×2= 47÷2= 2÷12= 83÷4= 6÷32= 518÷518= 23÷415= 514×7= ÷13= 311×2= 3×29= 916×12=
12×1= 12×12= 12×14=
54×2= 5×37= 59×6=
38×12= 56×13= 124×3=
12×89= 38×67= 5624×5= 98×43= 51154×9= 7×8=
23×32= 8117911×8= 9×7=
47÷3= 849÷6= 15÷12=
2÷1263= 2÷3= 8÷7= 133÷4= 56÷14= 712÷7= 6÷52= 8×14= 34÷4=
47÷74= 7÷7115= 5+4=
512×415= 637325÷10= 20÷10= 49÷12= 2243×3= 28×21 13-14= 100×825=