人教版小学数学四年级(上册)：混合脱式计算题

1、2800十 100 + 789 (947 599)+ 7X 6436X( 15 276- 23)(93 + 25X 21) X 9723 (521 + 504) - 25(39 21) X (396 - 6)507- 13X 63+ 498 384 - 12+ 3X 31 37 ( 7+6) X 3016X (17 -8) - 3 28 X (5+96 -3 2) 81 - ( 72-54 )X 957X 12 560- 35848 640- 16X1 2960-( 1500 32 X 45)192 ( 54+ 38) X 6 (12+24+80) X 50 32 X (25+125)123X

2、 18 123X 3+85X 12325X( 24+16)178X 99+178(140-70) X 54 63+84 X 2-42490- 7+24X525X 27X 4(40 4)X 25 2400 - 80- 14X 2108( 83+ 360- 60) (420+ 48)-( 375 345)290(34X 3+99)142 54- 9+1475 X 4X 2516X 76 76X 699X 53+53450 2X( 16+ 9)245( 45+39)125X( 8X 4)X 541X 25 -25420-( 205 198)X 4460-( 29 18-3)(960400)- 70(

3、140-70) X 5463+84 X 2-42490- 7+24X 5(40 4)X 252400-80 14X 2108(83 + 360 - 60)(420+ 48)-( 375 345)290( 34X3+99)142 54 - 9+1416X 76 76X 699X 53+53450 2X( 16+ 9)245( 45+39)125X(8X 4)X 541X 25-25420-( 205 198)X 4460-(29 18-3)(960400)- 7045+240 12124+78+22100-35-25(140-70) X 5463+84X 2-42490- 7+24 X 5(40

4、 4)X 252400-80 14X 2108(83+ 360- 60)(420+ 48)-( 375 345)16X 76 76X 699245( 45+39)41460-( 29 18-3)426-279 - 398-1984 X 3-136 - 8290 ( 34 X 3+99)142X 53+53450X 25-25420-(960 400)-7043+315X 4+6251+121(32+28) X632554 - 9+14(205 198) X4-13X (266-250)2X( 16+ 9)55+720-( 40-35)(220-180)- 836X( 28-7+23)(38+4

5、2)X( 525 - 35)(135-72)- 772128X( 246- 6-32)340-240- 20X 5(58+12)X( 96- 8)106X 6- 324-8X 30252-4X 3036X 4 + 27X 3(135 25)+ 40 X 618X( 79 58)- 27(338+ 89-19)- 34(640+750十 15)X 15(72-57) X 38892- (90+56X 2)69X( 800 700)- 525 X 4+32082 - 2+5932- 8+1258X 5+32- 481 - 3+3X 11135-15+26107-35X 3206 X 3-128 -

6、 4(482-42) - 22-1757-3-12168- 12-48 - 12182-13+208- 13525-21-378 - 2132X 5X 6-648+42-6-1260-(30-3+3)31 X 13-228 - 19(156+ 224- 32)X 80345-(128-531 - 9)776-( 73 X 6 + '152 )80宁2+100宁545-20X 3-4140-20 X5+2520 X 30+20 X4025 X (30+10)800 - 40-400-40600 - (120 -60)(26+14) X 70(26+14) X (70-40)50)90 -

7、(30 X 15 -(35+45) - (90-10)6X10-(21+29)25X(22+26X3)80 - (32+8) X 3003000-(32+8)X 30320-(120+25 X 4)30 X 169-(60+9)180- (36 - 12)+6(40+180 - 30)2)(240+180)(30 X800-800 - 80X 3036 - (3+6) X 2450- 15+10X 365 X (40+20 X 3)800-(70 X 6+180)36+360- 1245 X 6+35 X 639 X 8-6 X 39X 90326 X 78-326 X 68120X 90-1

8、10125X( 8+4)X 27+63X512 X( 40-5)64 X 9-14 X 95223 X 134-34 X 2368X 48+68X48 X 101-4865X 5+35X 549X 25 X 85 X 121+79X 567 X 5-37 X 567 X79 X 32+79 X 68101-67256X 7-56 X 7(75+ 25-5)- 402800-25X 4+ 80 (380-80X 4)十 6065 X 50+35 X 50X 70+38X 704X (25 X 65+25X 28)125X 47-47X 25340X (120 40-8) 45 X (720 19

9、57- 19)86+4500+(2088 - 36) - 2120-36 X 4- 18+35(58+37) - (64-9 X 5).(80 - 20+80) - 4360- 40+1040X 20 -200(80-25) X2 (350-80)- 9360- (12 + 6)X 5288- ( 26 14)X 8 500 X6- (50 X2-80) (105X 12 635)十25864- ( 27 23)X 12 (45+ 38 16)X 24 500 ( 240+ 38X 6)64 ( 87 42) X 15 ( 845 15X 3)十 1612X ( 49 28)十 7450- ( 84- 48 )- 12 (