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1、三年級數(shù)學(xué)脫式計算第 1 頁 共 12 頁824 4 3 （601-246） 5 201+232-365 = = = = = = （25+38） 15 （59-187） 3 1500-125 8 = = = = = = 25 8 9 （601-246） 5 201+232-365 = = = = = = (25+33) 26 2+3 56= 63 147-198= = = = = = = 735-35 12= 540 (65-59) 789-13 45 = = = = = = 22 4221 21 3410 40 2174 = = = = = = 三年級數(shù)學(xué)脫式計算第 2 頁 共 12 頁14

2、772 8 9 4420 2 80 4 = = = = = = 120 5 2 20236 9 30 5240 = = = = = = 81 9877 66 5+774 921+7 4 = = = = = = 80 6 2 770 7+65 80720 2 = = = = = = 10050 5 3535 7 30230 2 = = = = = = 600 8 3 40100 5 43425 5 = = = = = = 三年級數(shù)學(xué)脫式計算第 3 頁 共 12 頁6012 3 64 8456 64060 4 = = = = = = 56 736 6 500 (400396) 72 95 = =

3、= = = = 564+264-453 7650-(546+4530) 65 9-450 = = = = = = 9 80+980 9000-(4500+250) 6700+72 8 = = = = = = 14 6+9 5 900 (71-68) 180 9-42 6 = = = = = = 12 645 3 8 (910-720) 760-540+1110 = = = = = = 三年級數(shù)學(xué)脫式計算第 4 頁 共 12 頁6500+1250-3500 80 30+5600 9450-3200-4200 = = = = = = 2400 645 800 7180 1600 2230 = =

4、= = = = 4000 8 + 350 320 864 270 3 9 = = = = = = 630 9 + 320 2800+32 6 300 6 9 = = = = = = (6900-2400) 5 （72 9） (56 8) 54 9 8 = = = = = = 280 4 5 60 8+1570 60 (23-17) = = = = = = 三年級數(shù)學(xué)脫式計算第 5 頁 共 12 頁22 4221 21 3410 40 2174 = = = = = = 14772 8 9 4420 2 80 4 = = = = = = 120 5 2 20236 9 30 5240 = = =

5、= = = 81 9877 66 5+774 921+7 4 = = = = = = 80 6 2 770 7+65 80720 2 = = = = = = 10050 5 3535 7 30230 2 = = = = = = 三年級數(shù)學(xué)脫式計算第 6 頁 共 12 頁600 8 3 40100 5 43425 5 = = = = = = 6012 3 64 8456 64060 4 = = = = = = 5 748 6 42 736 6 37 419 8 = = = = = = 10 420 4 15 310 5 25 542 6 = = = = = = 35 58 7 72 936 6

6、21 454 9 = = = = = = 72 89 5 36 421 2 25 516 4 = = = = = = 三年級數(shù)學(xué)脫式計算第 7 頁 共 12 頁56 736 6 500 (400396) 72 95 = = = = = = 564+264-453 7650-(546+4530) 65 9-450 = = = = = = 9 80+980 9000-(4500+250) 6700+72 8 = = = = = = 14 6+9 5 900 (71-68) 180 9-42 6 = = = = = = 12 645 3 8 (910-720) 760-540+1110 = = =

7、= = = 6500+1250-3500 80 30+5600 9450-3200-4200 = = = = = = 三年級數(shù)學(xué)脫式計算第 8 頁 共 12 頁2400 645 800 7180 1600 2230 = = = = = = 4000 8 + 350 320 864 270 3 9 = = = = = = 630 9 + 320 2800+32 6 300 6 9 = = = = = = (6900-2400) 5 （72 9） (56 8) 54 9 8 = = = = = = 280 4 5 60 8+1570 60 (23-17) = = = = = = 960 4 9 3

8、50 5 9 450 5+1250 = = = = = = 三年級數(shù)學(xué)脫式計算第 9 頁 共 12 頁(6900-2400)5 75 1520 5 30906 6 = = = = = = (387387)0 160160 80 750550 5 = = = = = = (111189) 3 125 8 100 6 250 0 = = = = = = (17) (166) 810 4 4 33 114 9 = = = = = = 187299299 587496674 266026 26 = = = = = = 153 153+657 32 (32 16) 300(300222) = = = =

9、 = = 三年級數(shù)學(xué)脫式計算第 10 頁 共 12 頁75 1520 5 （15075） （2520）= = = = 339010 95 687（ 9967）= = = = 1000（1000988）356020 90 = = = = （250150） (30 6) 687999 3 = = = = （4870-3675） 7200 9 (9467-5642) (350 70) = = = = 960 4 9 350 5 9 450 5+1250 = = = = = = 三年級數(shù)學(xué)脫式計算第 11 頁 共 12 頁(6900-2400)5 75 1520 5 30906 6 = = = = = = (387387)0 160160 80 750550 5 = = = = = = (111189) 3 125 8 100 6 250 0 = = = = = = (17) (166) 810 4 4 33 114 9 = = = = = = 187299299 587496674 266026 26 = = = = = = 153 153+657 32 (32 16) 300(300222) = = =

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