20×50= 9×40= 360÷6=
125-96= 79+97= 7.4+0.3=
1-0.48= 6.2-6= 3.6+5.4=
- = 1- = + =
综合算式:
①192÷3÷2
②328÷2÷4
③920÷4÷2
④192÷(3×2)
⑤328÷(2×4)
⑥336÷7÷3
①120+180÷5×6
②9.43﹣(0.39+2.43)
③
④
⑤()×14+
⑥