三年级上册脱式计算.doc

三年级上册脱式计算.doc脱式计算
814-9 + 877
66X5+774
921+7X4
80X6X2
7704-7+65
807 + 204-2
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-
-
=
=
=
100-50 + 5
35 — 35 + 7
302 + 30X2
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-
-
=
=
=
600X8 + 3
40+100 + 5
434+25X5
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-
-
=
=
=
60—12X3
644-8+456
640+60X4
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-
-
=
=
=
15X7 — 8
424-7 + 36
37X4+19
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-
-
=
=
=
10X4—20
454-3 + 268
21X4—56
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-
-
一
一
一
=
=
=
500X(400-396)
724-9-5
564+264-453
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-
-
=
=
=
65X9-450
9X80+980
9000-(4500+250)
-
-
-
=
=
=
14X6+45
9004-(71-68)
1804-9-7
-
-
-
=
=
=
6+45X3
6700+724-8
7650-(546+4530)
-
-
-
=
=
=
8X(910-720)
760-540+1110
6500+1250-350
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-
-
=
=
=
9450-3200-4200
24004-6—45
800 X 7 — 180
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-
-
一
一
一
630 + 9 + 320
16004-2 + 230
80X30+5600
2800+32X 6
300 + 6X9
(6900-2400) 4- 5
999+ 9 X8
280X 4 4-5
60X8+1570
9604-4X9
350+5X9
4504-5+1250
754-15 + 125
3090+6X6
(387-87)X4
750+5504-5
(111 + 189)X3
125X84-100
6X250X0
60X(23-17)
187 + 299-299
587+496-674
32 + (32 + 2)
300-(300-222)
687 + (99-67)
568 + (1000-94)
9604-4