1.计算:
12÷
1111= 1÷1%= 9.5+0.5= += 0÷×2= 23451175774117= ×= ÷= -= ××9=
8145298121241-
2.解方程。
(1)χ-
36111χ = (2)6 ×-χ= 552122
3.脱式计算(怎样算简便就怎样算)。(30分)
(32×
15+17)÷ 412(25+
311)÷+ 444189799×+×+ 2516251616
4.直接写出得数。(20分)
513251= 0.25= 3= 12= 38= 4343863321313912= 1= = = 8=
20205959587
1 / 19
5.解方程。
5103x 1x2 9114
6.递等式计算(能简算的要写出简算过程)
(
51557592525) 12469121253456
54351131663() [()]
9217823423
88+56+12 178+350+22 56+208+144
2 / 19
(2.3+5.6)+4.7 286+54+46+4 166×
166 167
5.82+4.56+5.44 25×37×0.4 75×0.39×4
6.5×11×4 43×15×6 136×4.06+4.06×64 125×39×16 41×35×2 3 / 19
0.8 ×37×1.25 351136
7.02×123+877×7.02
311151294.684264.53424515 11112 4343
102×5.6-5.6×2 471×0.25-0.25×71
43×126-86×13 334833433.75 4.58-0.45—0.55 4500÷0.4÷75 101×99-897 5200÷4÷2.5
13.75582.755858 23.4-4.56-5.44 6.47-4.57-1.43
16800÷8÷1.25 48000÷0.8÷125
4 / 19
521491211517 (-) 7335853+3538 459320 3.2×1.25×0.25 42÷(122 +3 ) 2157365 48(1186) 35
10(71021)
5.8×[1÷(2.1-2.09)] 3131
50 ×101- 50
3 ×78 +18 ×75% (755248 -16 )×(9 +3 ) 5 / 19
12311+÷ (1+)÷(1-) 2.3×1.5+4.5÷0.75
35÷[711×(25+13)] 361-99 3-
712-512 18×(
49+56) 67733 (12151-87)÷29+22÷51
0.7+3.8+4.2+9.3
35×1334+5×4 57×38+55855108×7 15×16+27÷9 22113×7+3×5 (46-12)×(24-5) 6 / 19
15155444211(×+)÷ ÷[(+)×] ()
77775975912125 (32×14+17)÷512 63(5942137) (21×37+47×21)×14 5351323542556 25+34)÷114+4
[518(213)34]1623 (99+910)÷9 7 / 19
124615÷[(23+15)×113]
189725×16+25×916+916 56996×5-10÷5
45×556÷8
(
1144210541÷[(+)×] (+)×30 +3÷
1553114-
511-711 45×56+25÷35 (41)÷775 +4 3 +10 25×1 ÷53
32 ×10 65 18×58+118×41+8 45÷[(58-12)÷58] 10 - 7- 121
19 19 + 19 -8.12-4.88 8 / 19
324 5×4517×4-2
35 ×153 – 0.6×53
235 - 135÷18 12×103-4500÷75
13.09
15.3×+2.7×25% 28×21.6-2.8×16 5.6×1.7+0.56×83
412.06+5.07+2.94 38×3÷38×3 1737+417-737 19.68-(2.68+2.97) 30.34+9.76-10.34 34÷4÷1.7
1.25÷23×0.8 102×7.3÷5.1 159-713-59 25×7×4 41.06-19.72-20.28
9 / 19
2334552237-3+ 8+2- 11+7+3 588700÷14÷5 6.8-1.36-0.64 2.6+7.7+7.4+3.3 11.1÷0.25 799 18.6÷2.5÷0.4 21.9+(15.7+18.1) 9×(7000÷63) 0.2×1.8×0.5×10 10 / 19
355
(2.5×73)×0.4 5.6×1.25
457÷25÷4
1.96÷0.5÷4
2000÷1.25 (8700+870+87)÷87 5.3×4.9+5×5.3
1125-997
(1.25+7)×8
17.15-(3.5-2.85)
4.8×1.01
278+498 1.3+4.25+3.7+3 4.2÷1.2÷5 7.5×99 11 / 19
125×32
1874-324-476
3.4×99+3.4
4.3-2.45+5.7-4.55 16÷2.5
95.6×18+0.4×18 9.56×180-95.6×8
1.6+1.6+1.6+1.6)×25 15÷0.75+15÷0.25 9.37+16.2+0.9×0.7 12.8×8-20.1÷3 9.18÷1.7-0.28×1.5
1.5×[(3.2+4.06)÷6.05]
(10-3.78)÷3(得数保留两位小数)3.4+5.6÷7×4 9.8-1.72-3.28
12 / 19
(
4.5×1.8+1.8×5.5 (3.2-1.5)×(0.8+2) 0.77÷35
13.6-(7.8+3.6) 7.3×102 39.36-(7.2×1.3+9.8)
937367371523++9.55 ×+×+× +(-)÷
62052982912299665 7.4+
16711158793××× 0.86-+9.14- 15.8-+- 73110407718518
1111141111++++++ ×+3.2 ×-1÷4 261220304256544
13 / 19
137415 [1-(+)]÷ (-)×4- 5.07-(3.07-1.8)
484(56+78)×24 9.56+4.875-
78+1.44 839×[4-(716-14)] 578-298 20369 4.75×4.75+434+434×4.25 1813×39×21 3111534÷6-6×4 13464
[1-(3858+14)]×239 1567913 16+19-112)×4×9 2.5×(1.9+1.9+1.9+1.9) 14 / 19
(
3.64÷4+4.36×25%
819÷23+× 3.6-2.8+7.4-7.2 5.7×2.8+5.7×6.2+5.7 34+320×15÷35 [15×(50﹪+153)]÷8 28171919×25+25÷2 172317 (116 +8 )×24×7 18×(12+6×79) 9514÷(6-34)×724 72415+5)×9-4 15 / 19
85-847
8 ÷7 (116+18)×24×9 912420÷[2×(5+5)]114×125×25×8
(
24×[
2141941111÷(1-)] -(65%+) (+)÷(-) 315(25-25÷2)×56 4080÷12-24×1.5 63107101910 306÷(201×47-9417) 151575%×[(100%-25)×25%] 5.3×4.9+5.1×5.3 1161171181119110 5-0.987-0.013 16 / 19
3423 6.8-1.36-0.64 (2.5-2.5×0.6) ÷4
82×99 25×2.7+1.3×25
313174897× -37.5%+104×0.375 3 ×(5 -5.375) 3.5×1 +1.25×2 +3.8÷
8484105
71×99 888+999 6÷0.25 0.25×48 3755+2996 1125-996 72×156-56×72 2.5×3 0.4×2173 8439+1001 299×101 25×32×125 213
2×6.6+2.5×65 17 / 19
446+295
563×999 2100÷20
709×99+709
20. 75.3×99+75.3
31712
4.6×3.7+54×0.37 0.125×4+8×8.25+12.5% 118―63―13 153314―4.25―54 4353
8+2.25+58+74 45×(749 +15 -0.6 ) 41519×2+9×2 9.63÷2.5÷4 49.5×10315 -(50-2 )×0.6 78×7577 18 / 19
4.6+323
5+65+5.4 8.37-3.25-(1.37+1.75) 71454711 ×419 +519 ÷17 +11 0.25×1.25×0.8×0.4
19.82―6.57―3.43
52419655124(++)× 18×÷ ×4÷3×÷
612243528.7-6.8×5÷34+12.3 5-25×25-15×25 16×23÷(45-815) 45.36÷7.2-3.5×1.8 427235
92÷[45×(12+34)] 99×49+59×99 808×99+808
[11123-(34-35)]÷710 19÷[(5+3)×3]
[20-(
512+38)×24]÷1100
19 / 19
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