三年级下混合运算

1、三下混合运算一用通等式计算。95+5x64800 - 609-3(708 + 258 ) t618x ( 537 - 448 )25 + 75+526x14 + 27205-98 + 46480+6 - 4554x ( 71 -33 )(79 + 57) t4244 - 6x28351 -( 164-88 )( 175 + 221 ) 9175- ( 65-15 )845-63-3775+2255560+8x1454 + 42+7(36 + 13) x9190-32x521x8 + 81250 -1205176-69 + 31( 60-30 ) x17用通等式计算。要求：格式和书写都要现、三下

2、混合运正，等于号用直尺画。X 1 E ( ) 44+76x9973 + (17-10)424-19x6525-25x8| 160- 45x2100-84+2292 + 4x20(601-246 ) 5 |148+324-6(47+18 ) x15(52+90 ) x563x7-198| 824+4x3789- (629-41 )201+232-365(25+38 ) X5(187-59 ) +4735-35x8540 + (65-59)789-3x45120x6+2450 -90 + 50735+5 + 2406x84 + 221要求：格式和书写都要规、正j,等于号用直尺百。三下混合运算三用速

3、等式计算。21x7 + 410468-6 + 174248 + 4x182x80 + 15517+34x9439 + 46x725+3x238x ( 96 + 6 )800 - 36x20419+29x5180-25x5( 400-120 ) -r774+46-3660 + 400+880v ( 105-100 )(210-180)x8(25+32 ) x30518-18x7500 - (30+12)30x (18 + 13)145 + 5x618x21+5216x8 -37202 + 369-9要求：格式和书写都要现、正，等于号用直尺营。三下混合运算四三（）班用递等式计算。r25x7-120

4、(450-175 ) +5948 - 3x5260 - 45 + 3574 + (25-18)560-8x24132+2x3723x8+250440+4x627x6 -16315-7x34(47-8) x334x ( 52+18 )20x ( 17+34 )56+7x82(61+12)x570+32x90(37-28)x4280x6-30400-300+5450+3x319+62x5350+(28-21)5 x (68+4)要求：格式和书写都要规、正，横线用直尺画。三下混合运算五5()9一二用.通第.或.if.算q(169-35)x835x4+17863+14-758714:(103-96)(

5、643-528)+5380+(303-299)(115-87)x5384-312+3165 - (42 + 58)73x12 + 645x(63+9)(75+15) +5二、出分步算式合并成综合算式。75x2=150499-150=34978 - 34=445x44=22046 + 38=8484+4=21340+4=8512x85=102076+4=1919+72=9198-89=983x9=74780+4=20245-20=22578x5=390390-63=32756-28=28100-28=72369+3=123128+123=2514x70=280540-280=26048:3=16

6、16x50=800要求：格式和书写都要规、正，横线用直尺画。三下混合运算大E ( ) S一、递等式计算。(73 + 21 ) x381+( 53-44 )38x27 - 240240 + 48+8213-68x290-65 + 21201+31x2840-5x6420+17x30(280 - 238 ) +7322+7x9214 + 16x8二、招分步算式合并成综合算式。83x2=16640x8=32060+12=5650-130=520200-166=3460 +320=3805x18=90520+5=10428+16=44213-68=14565-21=4431x2=6230x44=1320145x2=29090 - 44=46201