A.100×76+1 | B.100×76+100 | C.100×76+76 |
A.986-300-3 | B.986-300+3 |
C.986-200+3 | D.986-(300+3) |
A.340×3+260 | B.340×(3+260) |
C.340+260×3 | D.(260+80)×3 |
A.360÷6×4 | B.360÷3÷8 | C.360÷6÷4 |
A.105×26+26 | B.105×28-1 | C.105×28-105 |
A.21 | B.20 | C.19 | D.18 |
A.(150+120)×8 | B.150×8+120×8 | C.(150-120)×8 |
A.少1 | B.少2 | C.多2 |
A.加法交换律 | B.乘法交换律 | C.无法确定 |
A.50+80-(15÷5) | B.45+(75-9)÷2 | C.94-45÷(3×3) |