A.(1100÷5)÷(25÷5) | B.(1100-5)÷(25-5) |
C.(1100×5)÷(25×5) | D.1100÷5÷5 |
A.(210-154)÷7 | B.10×8÷4 | C.210-154÷7 | D.40÷(4×2) |
A.800×5-50+800 | B.(800+50)÷5+800 |
C.(800-50)÷5+800 | D.800÷5-50+800 |
A.300÷(3+2×6) | B.300÷3+2×6 |
C.300÷[(3+2)×6] | D.(300÷3+2)×6 |
A.68-40÷4=28÷4=7 | B.68-40÷4=68-10=58 | C.68-40÷4=10-68=58 | D.68-40÷4=68-10=85 |