9. 12.8 ÷ (0.4 × 1.6) 10. 930 ÷ 0.6 ÷5 11. 63.4 ÷ 2.5 ÷ 0.4 12. (7.7 + 1.54)÷ 0.7 13. (11.7 + 9.9)÷ 0.9 158+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 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 58×98 178×101-178
84×36+64×84
75×99+2×75
83×102-83×2
98×199
123×18-123×3+85×123 50×(34+4)×3 25×(24+16) 178×99+178 79×42+79×79×57 7300÷25÷4
8100÷4÷75
16800÷120
30100÷2100
32000÷400
四年级下册简便运300道
9.12.8÷(0.4×1.6)10.930÷0.6÷511.63.4÷2.5÷0.412.(7.7+1.54)÷0.713.(11.7+9.9)÷0.9158+262+138375+219+381+2255001-247-1021-232(181+2564)+2719
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