四年级上册数学脱式计算

1、066s?(0cxl6 寸)9X 寸CXI+卜 *06 寸8卜 L+66X 8卜 LCXI寸+9X 9 寸 LO6卜 L(9 寸xcxle 009Lr096(CXI叩 96+9 才 8CXI(申 96% (LCXI6C)O甲 9 卜CXI9LX9C卜 X 98+zxg LCXIFCXIX 寸 8+C9 (9L+寸CXI) X9CXI(gcxlL+gcxl)xcxle0壬90寸98寸8LCXC+CXIT 寸 8C9采(寸 09+ Lcxlg)ecxl卜寸咚卜+ (669卜寸6)CXIT o 寸CXI+9 寸寸9K (0卜6寸二ecxlLxg8+execxlL 8xecxlL0咚(08+寸CXI+

2、CXIL)g*09gcxlxg86 寸+egxeTog臾(L臭 gCXI+C6)68卜+ 0 0LW008CXI (眾卜二)IMfcwls一25X27M(40 4) 252400 乜0 14X2108 (83 + 360 W0)(420+48) -(375345)290 ( 34X3+99 )142 54 弋+1475X4X2516X76 76X3720七6吃99 X53+53450 2X (16 + 9)245 (45+39)125X (8X4) X541 X25-25420-( 205 198) 4460-( 29 18-3)(960 400) -70(140-70 ) X5463+84

3、X 2 -42490 - 7+24 X 526 X 6-11015 X 7+85 X 7(46-20 )X 30-90(40 4) X252400 - 80 14 X 2108 (83 + 360 - 60)26 X 6-110(46-20 )X 30-9015 X 7+85 X 7(420 + 48)-(375345)290( 34X3+99 )142 54 - 9+1416 X 76 76 X 699 X 53+53450 2 X( 16 + 9)245 (45+39)125 X( 8 X4) X 541 X 25-25420 -(205 198) X4460 -( 29 18 - 3)(

4、960400)- 7045+240 -12124+78+22100-35-25(140-70 ) X 5463+84 X 2 - 42490 - 7+24 X 5(40 4) X 252400 - 80 14 X 2108 (83 + 360 - 60)(420 + 48)-( 375 345)290( 34X 3+99)142 54 - 9+1416 X 76 76 X 699 X 53+53450 2 X( 16 + 9)245 (45+39)41 X 25-25420 十(205 198) X4460 -(29 18 - 3)(960400)- 7043+315 - 5426-279 -

5、 398-19 X 4+6251+121 X784 X 3-136 - 8(32+28 ) X6325 - 13 X (266-250 )55+720 -(40-35 )(220-180)- 836X( 28 - 7+23)(38+42) X( 525 - 35)(135-72 )- 7721 十 7 X 528 X(246 - 6-32)340-240 - 20 X 5(58+12 )X(96-8)24 - 8 X 30252 - 4 X 3036 X 4 + 27 X 3(135 25) + 40 X 618 X( 79 58)- 27(338 + 89-19)- 34(640+750 - 15) X 15(72-57 )