小学二年级数学速算与巧算

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26-5-16= 28-19-3= 27-6-15= 26-18-2= 84-16= 56-39= 84-27= 83-26= 74-29= 65-20= 64-13= 81-47= 18+39= 56-28= 29+32= 56-27= 64-13= 26-9-8= 27-8-9= 85-17= 46+25= 72-56= 73-26= 76+17= 75-35= 36+29= 34+58= 41-39= 35+27= 57-23= 39+59= 81-52= 53+28= 56+27= 38+56= 63+28= 40+54= 42-13= 43+28= 47+8=

78-18= 61-42= 94-46= 23+68= 29+36= 33-24= 71-34= 29+53= 79-26= 49+18= 63-44= 16+27= 47+52= 80-41= 72-18= 0+10= 29+51= 8-8= 30+16=

24+4=

63+38= 56-27= 86-28= 71-24= 93-46= 67-18= 61-37= 47+23= 6+30= 36+49= 12+83= 56-18= 24+18= 100-20= 90-36= 41+59= 98-18= 36-28= 36+9= 24+18=

31

32+59= 41+35= 77-15= 27+24= 99+1= 50-20= 18+20= 70+20= 52-27= 24+19= 56-24= 36+20= 12+8= 9+7= 30-5= 7+15= 40+18= 41-29= 56+7= 17+2=

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72-28= 7+63= 28+6= 64-8= 12+35= 56-18= 63-23= 25+23= 21+15= 44-9= 16-8= 19+4= 7+55= 38+16= 27+71= 100-27= 31-6= 30-5= 70-25= 32+8= 36+22= 72+16= 17+28= 44-9= 34-12= 28+6= 9+26= 35-16= 44-9= 30-12= 28+6= 9+26= 23+17-10

14+66-52= 8+19= 24+36= 90-40= 70-18= 19+30= 8+20=

72-40= 83-29= 23+25= 50-18= 42-15= 83-29= 83-29= 23+25= 50-18= 42-15=

28+8-19= 83-57-20=36-6= 36+4= 45+25= 46+33= 72+24= 35-7= 61+29= 35-7=

59+18= 43+32= 85+14= 48+52= 36+58= 17+60= 13-7= 43-17= 48+52= 36+26=

17+60= 13-7= 8+15+74= 60-20= 53-20= 92-32= 30+18= 40+19= 87-17= 25+15=

31

100-55= 31-11= 30-5= 70-25=

80-(50+30)= 90-81= 63-33= 32+10 81-9= 19+30= 88-18= 70-20=

100-10= 75-70= 37+13= 55-6= 18+6= 1944-7-1=

100-40= 20+20 =

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1936-8-1= 100-50= 56+9= 43-7=

25-9= 5+35= 24-6= 21+27=

90-18= 32+16= 9-4= 30+20= 1942-6-1= 73-8 = 80-6 =

15-8 = 63-9 = 85-17= 92-8 = 35-7= 87-16= 41+25= 78-56= 79-26= 76+17= 75-35= 36+29= 12+49= 34+58= 41-39= 81-13= 35+21= 42+18= 57-23= 54+26= 39+59= 87-52= 53+28= 55+36= 51+27=

25-9= 5+35= 24-6= 46-13= 80-12= 30+19= 88+12= 100-10= 91-10= 5+70= 95-9= 1947-8-1= 100-90+6= 34+7= 65-20+9= 25-9+50=

40+5 = 87-9 = 42-7 =

63+9 = 1942-5-1= 74-8+9= 2011-12-9= 45+9-7=

12-6= 100-90 = 4+50 =

6+57 = 9+9 = 29+30= 90-15= 63+34= 56-27= 86-28= 58-21= 71-24=

31-19= 37+25= 93-46= 67-18=

31

35+46= 32+59= 17+68= 26+48=

35+36= 65-36= 41+35=

36+49= 76+21= 41-29= 8 0-9= 55-20= 80-28= 61-13= 180-60= 170+20= 93-8= 27+25= 89-8= 64-8=

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38+56= 63+28= 46+48= 7+63= 28+6= 65-20= 78-18= 69-42= 98-46= 80-65= 61-37= 47+23= 6+30= 7-39= 32+29= 34+9= 5+58= 78+15= 83-20= 43-30= 12+35= 36+22= 72+16= 7+56= 46+10= 47+8= 130+80= 46-8= 1800+200= 93-80= 73-4= 64-8=

71-7+30= 35-9= 53+8= 84+7= 80-44=

1800-900= 4900-1800= 420+80=

39+46= 23+68= 98-35= 29+36= 39-20= 71-34= 29+53= 79-26= 77-15= 58+16= 25+23=

21+15= 44-9= 21-7= 9+46= 33+60=

72-40= 83-29= 36+4=

46+33=

38+16= 27+71= 59+18= 43+32= 35-6= 65+40= 42-15= 14+85= 73+16= 43-17= 400+50= 56-30= 53+8= 84+7= 80-44= 1800-900= 4900-1800= 420+80= 430+1000= 500-60=

31

280+450=

3600+5800= 4600+4700= 730-190=

3700-370= 8500-5500= 3200+5100= 96-42=

1200-400= 830-300= 800+900= 58-36=

7000+3000= 42+13= 24+8= 27-3= 42+13= 42-6= 7+44= 64-8=

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