1、脱式计算(100 题):75+1536 6040+8 50(30+12) (21-18)845-33 8+89 3923 819426488 496 1839 54973468 7036 45639 673256829 664 923 2489496 4085 (32-28)3 57+3496-35-29 67-8 53-24+38 153579-(46+32) 88-(38+26) 69-(39-23) (27)884-(27+16) (58-34)8 4+(27-16 ) 99+(25-24)6(26) 3(93) 93-( 46) 8587467 2045 685 77-76+3261-
2、38+26 1054 96 4 77-54(62-38)4 79+19-16 18-36+27 73-(23+4)93-(39-23) 71-(25-24) 87-(27+16 ) 84-(25+16)4+(25-1) (76-22)9 25- 54 88+(25-24)55-(56-22) 61-(28+26) 68-(28-22) 40-(42-28)58+18-16 85-(25+16 ) 82-(28-22) 82-22+8422-(28-22) 88-(25-24) 88-86+22 6(54)76728 (10093)8 38(49 21) 42(16)77-(34+32) 63-(38-26 ) 79+19-36 80-(22+28)22+(22+36) 82-(28-22) 88+(28-15) (4230)8686 684 (62)7 (4028) 6539 9830 8730 686(66 50)2 36(24) 38-36+27 84-27+1699+(25-24) (9+27) 6 93-23+94 69-(39-23)