四年级下册简便混合运算500道
158+262+138
375+219+381+225
5001-4102247-1021-232
(181+2564)1653+2719
378+44+114+242+222
276+228+353+219
(375+1034)+(966+125)
(2130+783+270)+1017
99+999+9999+99999
四年级下册简便运算500道以及答案?必须脱式?急
36×45+36×56-36
66×93+93×33+93
99×32
46×25
36×45+36×56-36
66×93+93×33+93
97+89+11
88×102
125×88
26+47+174
85+47+15+53
815+49+65+14+11
72×125
18+77+40+23+48
71+73+69+74+68+70+69
123×64+123×36
39×4×5
125×6×8
25×24
32×305
103×15
78×24-24×68
49×49+49×(40+6)×25
(68+32)×5
68+32×5
49×99+49
四年级下册四则简便混合运算题500道
158+262+138
375+219+381+225
5001-247-1021-232
(181+2564)+2719
378+44+114+242+222
276+228+353+219
(375+1034)+(966+125)
(2130+783+270)+1017
99+999+9999+99999
四年级下册简便运算练习题40题????急需
连加和连减的简便计算
158+262+138?????????375+219+381+225????????5001-247-1021-232
(181+2564)+2719??????378+44+114+242+222???????276+228+353+219
(375+1034)+(966+125)?????(2130+783+270)+1017?????99+999+9999+99999
7755-(2187+755)???????????2214+638+286?????????3065-738-1065
899+344??????????????2357-183-317-357????????2365-1086-214
497-299????????????????2370+1995???????????????3999+498
2356-(1356-721)????????1235-(1780-1665)
连乘和连除的简便计算
138×25×4?????????????(13×125)×(3×8)????????????25×(24+16)
704×25???????????????25×32×125??????????????32×(25+125)
88×125???????????????102×76?????????????????58×98
16800÷120???????????30100÷2100???????32000÷400?????21500÷125
49700÷700???????????1248÷24????????????3150÷15???????4800÷25
运用乘法分配律进行简便计算
178×101-178??????????84×36+64×84???????????75×99+2×75
83×102-83×2???????????98×199?????????????123×18-123×3+85×123
50×(34×4)×3??????????????178×99+178
79×42+79+79×57??????????7300÷25÷4??????????????8100÷4÷75
75×27+19×2?5?????????31×870+13×310??????????4×(25×65+25×28)