【题目】(1)计算45÷9×5=(______)时,应先算(______)法,再算(______)法。
(2)计算45÷(3×3)=(______)时,应先算(______)法,再算(______)法。
【题目】直接写得数.
10÷0.01= | 0.22+0.8= | 10﹣2.05= | 3.5×0.4= | 4÷0.25= |
0÷19.8= | 0.2×0.05= | 0.6×1.5= | 1.36+2.87+3.64= | 1.8×0.4×0.25= |
【题目】(1)计算45÷9×5=(______)时,应先算(______)法,再算(______)法。
(2)计算45÷(3×3)=(______)时,应先算(______)法,再算(______)法。
【题目】直接写得数.
10÷0.01= | 0.22+0.8= | 10﹣2.05= | 3.5×0.4= | 4÷0.25= |
0÷19.8= | 0.2×0.05= | 0.6×1.5= | 1.36+2.87+3.64= | 1.8×0.4×0.25= |