405×(32 13-3 189)
5000-56×23
125×(97-8 1)
6942+480÷3
304×32- 154
20+80÷4-20=
100÷(32-30)×0=
25×4- 12×5=
70×〔(42-42)÷ 18〕=
75×65+75×35=
1、89+ 124+ 1 1+26+48
2、875- 147-23
3.25× 125×40×8
4、 147×8+8×53
5、 125×64
6、0.9+ 1.08+0.92+0. 1
①89+ 124+ 1 1+26+48
②875- 147-23
③ 147×8+8×53
④ 125×64
1.280+840÷24×5
2.85×(95- 1440÷24)
3.58870÷( 105+20×2)
4.80400-(4300+870÷ 15)
5. 1437×27+27×56
6.8 1432÷( 13×52+78)
7. 125×(33- 1)
8.37.4-(8.6+7.24-6.6)
( 1) 156× 107-7729
(2)37.85-(7.85+6.4)
(3)287×5+96990÷3 18
(4) 1554÷[(72-58)×3]
2800÷ 100+789
(947-599)+76×64
1.36×(9 13-276÷23)
2.(93+25×2 1)×9
3.507÷ 13×63+498
4.723-(52 1+504)÷25
5.384÷ 12+23×37 1
6.(39-2 1)×(396÷6)
( 1) 156×[( 17.7-7.2)÷3]
(2)[37.85-(7.85+6.4)] ×30
(3)28×(5+969.9÷3 18)
(4)8 1÷[(72-54)×9]
57× 12-560÷35
848-640÷ 16× 12
960÷( 1500-32×45)
[ 192-(54+38)]×67
138×25×4
( 13× 125)×(3×8)
( 12+24+80)×50
704×25
25×32× 125 32×(25+ 125)
178× 10 1- 178
84×36+64×84
75×99+2×75
83× 102-83×2 98× 199
123× 18- 123×3+85× 123
50×(34×4)×3
25×(24+ 16)
178×99+ 178
79×42+79+79×57
7300÷25÷4
8 100÷4÷75
75×27+75×2 5
3 1×870+ 13×3 10
4×(25×65+25×28)
138×25×4
( 13× 125)×(3×8)
( 12+24+80)×50
25×32× 125
32×(25+ 125)
102×76+ 58×98
178× 10 1- 178
84×36+64×84
75×99+2×75
83× 102-83×2
98× 199
123× 18- 123×3+85× 123
50×(34×4)×3
25×(24+ 16)
1)36+59+4 1+54
(2)23×7+23×3
(3) 1462-369-63 1
(4)60506- 19460÷35
(5)23072÷4 12×65
(6) 184×38+ 1 16×38- 1 1300
(7)(7969 1-46354)÷629
(8)325÷ 13×(266-250)
(9)74+ 100÷5×3
( 10)(440-280)×(300-260)
1.95.6* 18+0.4* 18
=(95.6+0.4)* 18
=96* 18
= 1728
2.907*99+907
=907*(99+ 1)
=907* 100
=90700
3.0.6* 143-0.6*43
=0.6*( 143-43)
=0.6* 100
=60
4.6.5*8+3.5*8-47
=(6.5+3.5)*8-47
=80-47
=33
5. 14*2.25+ 14*3.75
=(2.25+3.75)* 14
=6* 14
=84
6.3.5*0.8+5.5*0.8+0.8
=(3.5+5.5+ 1)*0.8
= 10*0.8
=8
7.7.28- 1.5*2.4+2.72
=(7.28+2.72)- 1.5*2.4
= 10-3.6
=6.4
8.0. 125*45.6*0.8
=0. 125*0.8*45.6
=4.56
9.98* 1.5+ 10.2* 15
=9.8* 15+ 10.2* 15
=(9.8+ 10.2)* 15
=20* 15
=300
10.76*3.7+76*6.3
=76*(3.7+6.3)
=76* 10
=760
158+262+ 138
375+2 19+38 1+225
500 1-247- 102 1-232
( 18 1+2564)+27 19
378+44+ 1 14+242+222
276+228+353+2 19
(375+ 1034)+(966+ 125)
(2 130+783+270)+ 10 17
99+999+9999+99999
7755-(2 187+755)
22 14+638+286
3065-738- 1065
899+344
2357- 183-3 17-357
2365- 1086-2 14
497-299
2370+ 1995
3999+498
1883-398
12×25
75×24
138×25×4
( 13× 125)×(3×8)
( 12+24+80)×50
704×25
25×32× 125
32×(25+ 125)
88× 125
102×76
58×98
178× 10 1- 178
84×36+64×84
75×99+2×75
83× 102-83×2
98× 199
123× 18- 123×3+85× 123
50×(34×4)×3
25×(24+ 16)
178×99+ 178
79×42+79+79×57
7300÷25÷4
8 100÷4÷75
16800÷ 120
30 100÷2 100
32000÷400
49700÷700
1248÷24
3 150÷ 15
4800÷25
2 1500 \ 125 Answer yourself _