=4.97×8+3.03×8=8×(4.97+3.03)=8×8=64
4.97÷0.125+3.03×8=4.97×8+3.03×8=(4.97+3.03)×8=8×8=64
4.97÷0.125+3.03×8=(4.97x8)÷(0.125x8)+3.03x8=4.97x8+3.03x8=(4.97+3.03)x8=8x8=64
请