1、一、计算3 3 2 5 6 2 3 5143195139212 10 16 7 4 21 121 69157404512 12 13 3 3 52 2 24 12 5 6 100 4 21 4 4573952771 31825341392843 54188764569262584 75 140 9 6734971109 2 13481265323287 2 7 5 2 3 65617474912 5 9 10 6 2 214833681581312 8 3 6 4376124329438 7 6 6 614547556 6 8 4 4 232413923532 7 2 100975185757
2、143818 12 100332154124256027025 24 1 52 7 12 1544321494328 18 1 2537541658503141二、脱式计算12 12 31495376548383105495322（ ）532（1 ） 12（ ） 6 17 17 435195165712651（ ） 67（ ）17 3 18（3 ） 3 4 651467927521320943253 9 9 12（ ） 5192154621394163721549524（1 ）10 36 36 4 98（ ） 21（1+ ） 12（ ）5853853157217 75 31024+24 + -
3、 （ - ） 22（ + ）19 89 59 625 310 3767 23 1112 13 14 78 34 415 15163- 1( ) + - 35( ) ( - ) 3957 121 14 15 23512 16 65 37 310 57 1021 713 125 + 5 - +311 811 38 310 56 910 2312三、解方程3x= x=10 x=25 x= x=6 x=7 x=45621653465925143x= 8x= x =6 x =1 x= x=54 x=358512743283913247x =16 1.5x =28.5 8x=42 4+ x=102 x x
4、= x0.8x=22 20% x = 3010748x x=42 x = x =6 6 x x=9 2x x= x =12321412432334129x x =15 x = x x =120 x = 5 + x =13 58 23 29 25 310 58 112 13四、直接写得数3 = 3= 2 = 5 = 6 = 2= 3 = 12= 514319513921610 = 16= 7 = 4 = 21 = 121= 12 = 12 =731034 413= 3= 3= 52= 2= 2= 5 = 6=9275100 = 4= 21 = 4= = = = =5217183263132 =
5、= = = = = = = 39874315231498456 = = = 75 = 140= = 9= =62658 345781 = = = = 2= = = =101162219 = 2 = 7 = 5= 2= 3= 6= 12=5 51747981545= 9= 10= 6= 2 = 2 = 2 = 8 =8336858133763= 6 = = = 4= = = 7= 124132943846542 = 6 = 6 = 61= 6 = 6 = 8 = 4=755 21 = 4= = = = = 7 = =493175185757412= 100 = = 12 = = = = =88739534142603203 = 24 = 1 = 52= 7= 12= = 281542191 = = 18= = 1 = = 100 =53745126581033141258
