四年级口算1000题
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DAY 1
1, 640 +80= 15 X500= 230 X3= 2, 12 X2 X5= 480 弋0二160 X5= 3, 27 X3= 90 +15= 48 +4=
4, 640 +16= 39 +3= 24 X20= 5, 32 X300= 480 +16= 125 X8= 6, 27 X3= 56 +14= 24 -8=
7, 140 X20= 83 —45= 560 -80= 8, 96 -24= 40 -20= 40 X300= 9, 370 + 260= 76 —39= 605 + 59= 10, 30 X230= 12 X80= 270 + 32= 25 X 4 + 5+4-142 69 + 3 + 389 +129
58 X 13 - 2+75-23 23+77- 50 - 2 X6
125 X 8 X 4=
DAY2
1, 48+270= 4500 X20= 73 + 15 = 2, 120 X60O = 200 X360= 6800 X400= 3, 280 + 270= 4 X2500= 6000 -40= 4, 5X1280= 310 —70= 400 X14=
5, 470 +180= 1000 -25= 160 X600=
6, 20 X420= 290 X300= 8100 -300=
乙7600 -200= 7600 -400= 680 +270=
8, 980 -14= 4200 -30= 6X1300=
9, 1300 X50= 200 X48= 930 —660= 10, 530 +280= 9200 -400= 840 +2仁
64 X 12&49 25 X 40 X 23 100 X 25+125 X 32
125X8+77
2X+30=80解方程
DAY3
1, 180 X500= 8000 -500 = 1900 -20= 2, 200 X160= 8700 -300= 300 X330= 3, 3X1400= 7000 -14= 600 -12= 4, 9600 -80= 140 X300= 8800 -40= 5, 9600 -800= 750 —290= 5 X490= 6, 760 X20= 7500 弋00= 370 X200= 乙650 -13= 8600 —4200= 240 X4= 8, 640 -80= 15 X10= 12 X11 = 9, 160 X30= 220 X40= 104 X5= 10, 4500 十50= 120 X2= 90 -30=
0.89 X1QQ +99
15.2 乂.25 -4
78y+2y=16Q
80y-90=70
9.6 -0.8 —).4
DAY4:
1, 270 +30= 270 X30= 84 +2仁
2, 76 -9= 66 +7= 100 —54= 3, 123 +15= 360 +4= 55弋=
4, 320 +40= 7000 +70=200 +40 =
5, 180 +30= 240 +40= 36 +0.02= 6, 140 +0.7= 13 X600= 280 X3=
乙350 X20= 50 X11 = 250 X6= 8, 7200+900= 410-2 01 = 125 X8=
9, 480 X20= 6600 十600= 390+140= 10, 11 X800= 24 X50= 3600 +400= 有简算的简算：
4.2 X99 + 4.2 17.8 +(1.78 X4)
85y+1=-86
51y-y=100
9.43- (6.28-1.57 )
DAY5
1, 4000 十50二530 —70= 420 —90= 2, 9600 -30= 7X700= 203+98= 3, 1800 -300= 240+570= 4800 -400= 4, 370+580= 580 —490= 660 -2+440 5, 910 —370= 25 X8= 270 —190= 6, 36 X2= 75 -25= 330 -1仁乙 6 X800= 5400 -9= 420 -60= 8, 9X800= 3 X330= 300 X7= 9, 9 X500= 390 -13= 6300 -700= 10, 5600 -700= 4800 -12= 35 +0.07=
370 + 560 弋520 + 490 -7
1.29 + 3.7 +
2.71 + 6.3
3.07 —0.38 —1.62
3x-60=90 解方程
DAY 6
1, 450 — 90 = 80 + 330 = 70 X 700 = 2, 7000 -70 = 4000 弋0 = 2400 -200 = 3, 420 — 90 = 170 +320 = 1000 — 51 = 4, 520 — 260 = 910 —190 = 35 X 200 = 5, 22 X 200 = 8800 十400 = 9300 -300 = 6,
6X 300 = 1800 -200 = 32 + 99 = 乙
70 X 21 = 50 -25 = 22 X40 = 8,
66 - 6 =
710 —71= 400 - 2= 9, 900 - 3= 690 -30 = 620 -20 = 10, 28 + 17 =
32 X 8 =
820 - 4 =
998 — 2.45 —1.55
5(X-2)=90 解方程
3.25 + 1.79 — 0.59 + 1.75
23.4 — 0.8 — 13.4 — 7.2
8 — 2.45 — 1.55