Current location - Training Enrollment Network - Mathematics courses - Four arithmetic exercises in primary school
Four arithmetic exercises in primary school
30.8÷[ 14-(9.85+ 1.07)]

[60-(9.5+28.9)]÷0. 18

2.88 1÷0.43-0.24×3.5

20×[(2.44- 1.8)÷0.4+0. 15]

28-(3.4+ 1.25×2.4)

2.55×7. 1+2.45×7. 1

777×9+ 1 1 1 1×3

0.8×〔 15.5-(3.2 1+5.79)〕

(3 1.8+3.2×4)÷5

3 1.5×4÷(6+3)

0.64×25×7.8+2.2

2÷2.5+2.5÷2

194-64.8÷ 1.8×0.9

36.72÷4.25×9.9

5 180-705×6

24÷2.4-2.5×0.8

(4 12 1+2389)÷7

67 1× 15-974

469× 12+ 1492

405×(32 13-3 189)

3.4 16÷(0.0 16×35)

0.8×[( 10-6.76)÷ 1.2]

19.4×6. 1×2.3 5.67×0.2-0.62

18. 1×0.92+3.93 0.0430.24+0.875

0.4×0.7×0.25 0.75× 102 100-56.23

0.78+5.436+ 1 4.07×0.86+9. 12.5

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

Calculate in a simple way

①89+ 124+ 1 1+26+48 ②875- 147-23

③ 147×8+8×53 ④ 125×64

Calculate the following questions.

1.280+840÷24×5 2.85×(95- 1440÷24)

3.58870÷( 105+20×2) 4.80400-(4300+870÷ 15)

5. 1437×27+27×563 6.8 1432÷( 13×52+78)

7. 125×(33- 1) 8.37.4-(8.6+7.24-6.6)

Do the math. ( 1∶ 1)

( 1) 156× 107-7729 (2)37.85-(7.85+6.4)

(3)287×5+96990÷3 18 (4) 1554÷[(72-58)×3]

exclusive of

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+ 19×2 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)

178×99+ 178 79×42+79+79×57 7300÷25÷4 8 100÷4÷75