1 三年级脱式计算练习题 (21÷3+33 ) ×2 (17×6 + 32 ) -37 = = = = 98+ 36 - 42 45÷5÷3+37 = = = = 41+17+4+19 4×(36÷6+ 5) = = = = 658 - 15 - 42 56÷(55 - 41) = = = = 11+31+19+29 8+(69 - 63) ×9 = = = = 2 0 6-9 7 +5 8 5 8 ×(6 1 -2 3 ) 8 3 4 -1 7 ×3 5 4 8 8 ÷8 -2 7 (7 9 +6 8 )÷7 = = = = = = = = = = 2 462-(137-59) 456÷8×67 256+389-278 (613-578)×27 23×24÷8 = = = = = = = = = = 56×37-678 201-495÷5 78×35÷7 (73-37)×89 729÷(102-93) = = = = = = = = = = 357÷7-29 (47+29)×29 412-67+78 14×(39+27) 20+80×7 = = = = = = = = = = (91-12)×23 278+22×39 203-(312-279) 567+891÷9 357÷7-37 = = = = = = = = = = 671-487+89 341-236÷4 (37+19)×78 523-378-89 309÷(41-38) = = = = = = = = = = 901-354÷6 (425-257)÷8 160÷5×57 951-23×27 270÷6÷5 = = = = = = = = = = 37+29×3 58×(78÷6) 564-18×24 20+180÷5 48×(32-17) = = = = = = = = = = 165 - ( 42 + 58 )