A.56 | B.98 | C.188 |
A.(63﹣27)÷9 | B.8×4﹣20 | C.62﹣(38+17) |
A.720÷9×2 | B.720÷2×9 | C.720÷9÷2 | D.720÷18÷1 |
A.运算顺序和结果都相同 | B.运算顺序不同,结果相同 | C.运算顺序和结果都不同 |
A.4 | B.13.7 | C.0.44 | D.26 |
A.3×900×7 | B.900+3×7 | C.900÷3×7 |
A.(64×5)÷(16×5) | B.(64÷4)÷(16÷4) |
C.(64-8)÷(16-8) | D.(64+64)÷(16+16) |
A.不能确定 | B.0 | C.38 | D.38个口 |
A.100÷25×18 | B.(1800×4)×(25×4) |
C.1800÷5÷5 | D.(1800÷5)÷(25÷5) |
A.10 | B.100 | C.1 | D.1000 |