(完整版)小学一年级数学两步计算题复习.doc

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35+30- 5= 44-4+50= 94- 4- 60= 15-4+4=

48-8+5= 8+ 13-5= 24+ 20+9= 42-4-30=

83-20+ 7= 60+10+6= 15+ 4+ 70= 15-8+4=

21-3+8= 21- (3+8)= 24+8-4= 24+ (8-4 )= 77+9+6=

53-7+20= 53+ ( 20-7 )= 83+7-30= 83- (30-7 )= 83-30-7 )

23+9-8= 23+ (9-8 )= 47+7-10= 37-9-26= 37- (26-9 )

5+53+2= 68-58+6= 68- ( 58+6) = 4+76+8=

30+32-8= 60-55+7= 85- (55+7)= 3+75+5= 82-42-6=

77-77+7= 60-43-7= 50-25+8= 80-34+6=

78+6-10= 88- ( 42-6 ) = 55- (25+8)= 80- (34+6)=

0+82-60= 52+2-7= 53-20+6= 58(- 20+6)= 53-50+47=

64+30-30= 29-20+9= 29-( 20+9) = 20+55-20= 20+

( 55-20)= 4+66+30= 54+8-30= 6+20+30=

68-34-30= 68-(34-30)= 9+28+20= 50-39+50= 65-(33+20)=

9+51-40= 95-65-30= 8+77+20= 41-41+10= 50-43+30=

40-( 2+8)= 27-( 9+4)= 32-( 4+6) 38-9+8=

30- 2+7= 72-9-5= 72-( 9-5)= 66-( 4+6)=

39- 2+7= 20- 9+4= 53+5-5= 35+2-8= 39-

4-5= 39-( 4+5)= 8+ 50-6= 20- 1+6= 40-6-7=

62-7+3= 89-7-5=