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整十数加减法计算(3)
2+30= 50+7= 80-60= 47-7= 27-20= 4+80= 28-8= 60+7= 70-20= 60+40= 10+50= 70-30= 71-1= 60+30= 30+70= 76-6= 46-40= 40+50= 78-8= 54-5= 39-9= 65-5= 44-4= 1+80= 84-4= 70+30= 100-50= 50+2= 97-7= 85-80= 8+60= 80-40= 30-10= 50+50= 7+60= 40+5= 86-6= 78-8= 26-6=
50-20= 37-7= 30-10= 100-70= 60+3= 61-0= 98-8= 5+90= 91-1= 37-7= 100-90= 100-80= 92-2= 55-5= 41
46-6= 93-3= 100-60= 6+40= 68-60= 69-9= 70+30=
整十数加减法计算(4)
60-20= 80+10= 91-90= 52-0= 35-35= 100-60= 74-70= 8+60= 70-50= 67-7= 60+8= 8+20= 30+20= 91+9= 80+10= 80+8= 76-6= 30+6= 50+3= 40+60= 79-9= 40+9= 6+80= 70+20= 72-70= 70+30= 7+70= 45-40= 77-70= 70+8= 55-5= 50+50= 46-6= 30+50= 100-30= 40+30= 30+10= 73-3= 84-4= 9+90= 10+70= 86-80= 7+90= 100-20= 70+1= 30+60= 100-100= 8+90= 80-50= 36-6= 59-50= 50+20= 90-70= 42
86-6= 70+8= 38-30= 60-30= 68-8= 30+40= 80+9=
整十数加减法计算 (5)
95-5= 73-70= 70+1= 50+20= 3+40= 80-40= 26-6= 98-8= 55-5= 70+30= 76-6= 46-6= 40+50= 78-8= 54-4= 39-9= 65-5= 44-40= 1+80= 87-80= 74-4= 28-8= 60+7= 70-20= 60+40= 35-5= 6+40= 60+8= 7+70= 100-70= 80+7= 60-60= 100-30= 7+60= 8+20= 30+50= 73-3= 100-40= 97-7= 86-6= 30-10= 30+20= 10+70= 8+60= 20+20= 8+60= 80-50= 37-30= 9+20= 8+90= 70-50= 10+80= 70-50= 43
88-8= 100-60= 80+10= 7+80= 72-2= 53-3= 97-7=
整十数加减法计算(6)
80+6= 100-40= 20+20= 10+80= 53-50= 79-9= 40+9= 6+80= 70+20= 72-2= 70+8= 30+10= 100-20= 59-9= 68-8= 55-50= 73-3= 70+6= 50+20= 30+40= 60+8= 8+20= 30+20= 9+20= 80+10= 80+8= 70+30= 7+70= 60-20= 55-5= 76-70= 46-40= 30+50= 80+10= 100-30= 30+6= 9+90= 10+70= 61-60= 86-6= 50+3= 100-100= 8+90= 52-50= 80-50= 44
20+7= 86-6= 70+8= 35-30= 38-8=
整十数加减法(7)
40+6= 4+70= 73-3= 20+6= 78-8= 98-90= 80+7= 60+3= 88-8= 60+40=
77-7= 75-5= 69-9= 90+8= 50+6= 50+50= 60+1= 10+30= 90+1= 3+30= 51-1=
40+30= 85-5= 90+2= 30+7= 61-60= 23-3= 4+30= 32-30= 78-70= 4+40= 14-4=
7+90= 3+90= 10+40= 50+30= 90+1= 91-90= 90-50= 67-7= 45-5= 77-7= 90+6=
36-6= 45
74-4= 59-9= 98-8= 45-5= 5+50= 60+9= 10+2= 89-9= 20+3= 41-1=
60-30= 17-7= 24-20= 40+9= 83-3= 40+50= 60+5= 50+4= 91-1= 50+6= 36-6=
50+50=