文档介绍：三年级口算练****一）
26+9= 57 -38 = 1500 -700 = 42 W 99 7 770 =7
660 +3= 960 +舁 180 +4 65 + 15 = 660 +七 800 X2=
50 +5= 3 X 800= 420 3 X 220= 480 +仁 58 + 33 =
420 -20 = 93 +3= 880 +仁 1200 -200 = 11 XM 80 — 46 =
0+540 - 76 0 X 85 70 -7= 14 X2= 5 X 900=
2 X 200= 84 0+91 930 +3= 390 +3= 0 + 22 =
83 -57 = 29 +68 = 68 - 49 = 80 X> 800 +0 330 +3=
3 X 23= 64 +2= 58 +26 = 34 X 2= 550 +分 800 X 8=
420 +2= 63 +3= 160 +壮 800 +700 = 690 +3= 58 -0 =
2 X 440= 48 +2= 480 +2= 60 XK 2 X 44 840 +仁
三年级口算练****二）
440 +4= 32 X 3= 48 +4= 540 +9= 90 +9= 13 X3=
600 X7= 120 X3= 480 +2= 39 +3= 560 +§= 990 +舁
3 X 200= 620 +2= 660 +2= 640 +8= 880 +仁 7500 -500 =
0+ 94 12 X仁 3 X 31 0X57 120 X0 0 X 97
360 +9= 44 X2= 960 +3= 32 X2= 2 X 440= 460 +2=
70 +500 = 3 X 33 280 +a 9 X 400= 3 X 330= 690 +舁
49 +33 = 700 23 X 舁 78 -36 = 11 X4 230 X 异
310 X3= 390 +3= 230 X 3= 11 X4 82 —55 = 310 X 3=
720 +9= 4700 - 700 = 600 +3= 48 +28 = 640 +4 480 +§=
7 X 50= 800 +§= 880 +8= 9 X 500= 80 + 17 = 54 + 28 =
三年级口算练****四）
42 X3= 1700 -800 = 90 +3= 180 +3= 300 +~ 930 +舁
800 +4= 60 — 15 = 900 +3= 450 +4 360 +七 37 +56 =
32 X 3= 70 XU 1200 - 700 = 300 +& 50 X> 0 X 37
53 -14 = 17 +27 = 840 +壮 2 X 14 140 +扣 660 +故
7 X 800= 7 X 700= 840 +2= 430 X 2= 540 +/ 31 X 3=
13 X3= 34 +56 = 96 +3= 2 X 330 50 X 已 680 +2=
620 +2= 6 X 800= 960 +3= 1500 -900 = 1800 -800 = 63 +3=
26 +57 = 800 +8= 33 +57 = 600 X 舁 37 +8 = 480 +8=
630 +