分数乘除法简便运算100题 (1)(+)×3 ×9 (2)(- )× (3) ×(7 - ) (4) ×+ × (5)×+× (6) ×- × (7) ×6 - × 6 (8)+×+× (9) 37× (10) × 24 ×+ ×- (12)×101- ×—× (14) × 99 + ( + )×7 ×9 (16)3×25 (17) 36× (18) ( - )× (19)26× (20)32× (21) (22) (23) (24) (25) (26) (27)- ×- × (28) (29) ÷+÷ (30)×(15×) ×× (32)25×4 (33)54×(- ) (34) (36) (38) (39) (40) (42) (43) 6.8×+×3.2 (45) 101× (46) +×15 (47)8÷8 (48) ×+× (49)( 90+)× (50)×+× (51)×+÷ (52)18×(+) (53)×7+×5 (54)(-)×(24-) (55)(×+)÷ (56)÷[(+)×] (57) ×+× (58)×3 (59) (60) (32×+17)÷ (62)(25
2022-06-14 09:04:45
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