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脱式计算二年级下册

最佳答案77-46+32 65-38+26 79+19-56 56+74-26= = = == = = =58-36+27 84-27+16= 4+27-16= = = = = = 93+23+94 69-(39-23) 99+(25-24)= = = = = = 77-76+32 61-38+26

二年级数学脱式计算 姓名: 一、脱式计算 77-46+32 65-38+26 79+19-56 69-(39-23) (2+7)*8 = = = = = = = = = = (58-34)÷8 84-27+16= 4+27-16 99+(25-24) 6*(2+6) = = = = = = = = = =

(1)36+48-25 (2)(34-27)*5 (3)96-6*8 (4)29+42÷7 (5)43+26-17 (6)48÷8*5 (7)37-27÷9 (8)(26-19)*6 (9)64÷(24-16) (10)36+48-25 (11)96-6*8 (12)(34-27)*6 (13)29+42÷7 (14)5*(100-99) (15)345-300÷9 (16)63÷(34-25) (17)(83-83)÷9 (18)43-42÷6 (19)36

4+5-7、7+9-5、10+8-9、5+7-9、6+9-5、7+4-7、40+82-56、54+45-5430-23+2内个不够再说哈~

72

120+36-14

359-410224÷6 80÷16538-7 90÷10÷3 30÷10+1563+228*回6 192*3-答18 72÷9+288 68-5÷114+21÷7 36÷6+889 85+12÷6 63÷7+77109*9+811 46+238*5 53-56÷8 12-40÷5 914-205*3 54÷9+92 8÷1-7 64+196*6 41+516*7 76+131*4170-11*9 63+8*

第一步可用乘法法则:=613*2-300*2,之后可看做613+613-600=626

(1) 103÷73-159-57= (2) 83*91÷131+38= (3) 197-46+67-13= (4) 38÷54*126-52= (5) 192+52*136÷66= (6) 123-47+159-16= (7) 164*23-126+74= (8) 117+21+17-19= (9) 7÷9*161+93= (10) 93*35-128+36= (11) 86*9*187*99= (12) 68÷83-14÷54= (13

(1)98+998+9998+99998=(100-2)+(1000-2)+(10000-2)+(10000-2)=100+1000+10000+10000-2-2-2-2=111100-8=111092 (2)1127*1123=(1120+7)*(1120+3)=1120*1120+1120*3+1120*7+7*3=1254400+1120*(7+3)+21=1254400+11200+21=1265621

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