二上数学口算能力快速提升训练③

61+28-33= s0+11-5S8= 92 -SS+29=

292 – 91+81= 60 -14+34= 78 – 74+76=
44+4和-77= 37 -35+ 66= 70- 6+70=
5S+44-37= 4+60 -6= +14-14=
53+27 -2= 23 – 4+40= 4+70 – 29=
3+78 – 30= 35 – 24+ 69 = 83+16- 98 =
16+30 – 30= 83+15 – 62 = 53 – 23+ 64=
19+40- 40= 46+38 – 13 = 41+50 – 36=
6的+26-36= 33 – 19+57= 56+27- 10=
67+13 -62= 71+12 -43= 35 – 25+ 55 =
@2 -46+44= 69+17 -38= 90 – 62+ 69 =
69+28 -3= 70 -8+33= 53 – 31+ 72 =
56+41-31= 80 – 73+ 55 = 47+35- 34=
81- 20+16= 4+73 – 39= 9%7 – 59+17 =
32+43 – 38 = S2+8 -26= 6 +12 -49=
25+31- 52 = 9 – 43+19= 22+71- 59=
6 – 50+ 58 = 58 – 50+ 80 = 83 – 22+1=
89 – 52+24= 64+15-65= 21- 20+73 =
12+83 – 79= 79 – 38+24= 23+26 -1=
91- 89+78 = 20+61- 30= 57 – 9+31=
66 – 13+37= 7T5 -30+46= 18+34- 18 =
60+15 -30= 13+82 – 66 = 85 – 26+5=

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