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四年级脱式计算带答案

(1) 94 * 8 = (2) 57 * 6 = (3) 9 * 67 =(4) 26 * 9 = (5) 41 * 9 = (6) 57 * 3 =(7) 7 * 79 = (8) 62 * 5 = (9) 21 * 1 =(10) 3 * 57 = (11) 5 * 84 = (12) 8 * 26 =(13) 5 * 67 = (14) 37 * 4 = (15) 8 * 98 =(16) 6 * 24 = (17) 98 * 5 = (18) 12 * 2 =(19) 9 * 75 = (20) 68 *

1、475+254+3612、615+475+1253、860-168+1594、465+358-275、647-(85+265)6、476+(65-29)7、154*8÷168、400÷25*759、16*25÷16*2510、552÷69*811、600-120÷1012、(600-120)÷1013、(466-25*4)÷614、(43+32)÷(357-352)15、138+(27+48)÷2516、56*19+25*8

25*125*40*8 =(125*8)*(25*40)=1000*1000=1000000 125*18-10=125*8=1000

四年级两位数乘一位数(1) 94 * 8 = (2) 57 * 6 = (3) 9 * 67 = (4) 26 * 9 = (5) 41 * 9 = (6) 57 * 3 = (7) 7 * 79 = (8) 62 * 5 = (9) 21 * 1 = (10) 3 * 57 = (11) 5 * 84 = (12) 8 * 26 = (13) 5 * 67 = (14) 37 * 4 = (15) 8 * 98 = (16) 6 * 24 = (17) 98 * 5 = (18) 12

(1) 94 * 8 = (2) 57 * 6 = (3) 9 * 67 =

1.95.6*18+0.4*18 =(95.6+0.4)*18 =96*18 =17282.907*99+907 =907*(99+1) =907*100 =907003.0.6*143-0.6*43 =0.6*(143-43) =0.6*100 =604.6.5*8+3.5*8-47 =(6.5+3.5)*8-47 =80-47 =335.14*2.25+14*3.75 =(2.25+3.75)*14 =6*14 =846.3.5*0.8+5.5

1、 1.25*(8+10)=1.25*8+1.25*10=10+12.5=22.52、1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.783、1/2-(4/5-1/2)=1/2+1/2-4/5=1-4/5=1/54、4800÷25÷4=4800÷(25x4)=4800÷100=4800÷100=485、2/5-(3/8-3/5)=2/5+3/5-3/8=1-3/8=5/86、3/4-

1. 794-198 3. 6756-193-207 4. 72*125 5. 97*360+3*360 6. 428*(3080-1980)-742 7. 448*26+17523÷2978. 3600-(58+1872÷24) 9. 48230÷(150+37*16)10. 1000÷(850-25*26)+4411.(7344÷72+98)*4312.(905+985)÷(203-168)58+262+138 375+219

1、62616964757a686964616fe58685e5aeb93133336338333456+31+24=(56+24)+31=80+31=1112、615+475+125 =615+(475+125)=615+600=12153、125*64 =125*8*8=1000*8=80004、 89+101+111=101+(89+111)=101+200=3015、24+

45+240÷12 124+78+22 100-35-25 (140-70)*54 63+84*2÷42 490÷7+24*526*6-110 345+99 (46-20)*30-9025*27*4 15*7+85*7 (40-62616964757a686964616fe59b9ee7ad94313333303439384)*25125*64 2400÷80-14*2 108-(83+360÷60)(420+

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