1. 直接写出得数。
$\frac{11}{12} ÷ 11 =$
$\frac{4}{5} ÷ 40\% =$
$100\% ÷ \frac{3}{10} =$
$0.6 × \frac{1}{3} =$
$\frac{12}{25} × \frac{5}{3} =$
$60\% × \frac{1}{9} =$
$24 ÷ \frac{2}{3} =$
$90\% ÷ 30\% =$
$0.5 × \frac{1}{5} =$
$25\% ÷ \frac{5}{4} =$
$37.5\% ÷ 3 =$
$\frac{7}{8} × \frac{8}{19} =$
$100 × (1 + 35\%) =$
$100 - 100 × 87\% =$
$10 × (1 - 28\%) =$
$\frac{11}{12} ÷ 11 =$
$\frac{4}{5} ÷ 40\% =$
$100\% ÷ \frac{3}{10} =$
$0.6 × \frac{1}{3} =$
$\frac{12}{25} × \frac{5}{3} =$
$60\% × \frac{1}{9} =$
$24 ÷ \frac{2}{3} =$
$90\% ÷ 30\% =$
$0.5 × \frac{1}{5} =$
$25\% ÷ \frac{5}{4} =$
$37.5\% ÷ 3 =$
$\frac{7}{8} × \frac{8}{19} =$
$100 × (1 + 35\%) =$
$100 - 100 × 87\% =$
$10 × (1 - 28\%) =$
答案
$\frac{11}{12} ÷ 11 = \frac{1}{12}$
$\frac{4}{5} ÷ 40\% = 2$
$100\% ÷ \frac{3}{10} = \frac{10}{3}$
$0.6 × \frac{1}{3} = 0.2$
$\frac{12}{25} × \frac{5}{3} = \frac{4}{5}$
$60\% × \frac{1}{9} = \frac{1}{15}$
$24 ÷ \frac{2}{3} = 36$
$90\% ÷ 30\% = 3$
$0.5 × \frac{1}{5} = 0.1$
$25\% ÷ \frac{5}{4} = \frac{1}{5}$
$37.5\% ÷ 3 = 0.125$
$\frac{7}{8} × \frac{8}{19} = \frac{7}{19}$
$100 × (1 + 35\%) = 135$
$100 - 100 × 87\% = 13$
$10 × (1 - 28\%) = 7.2$
$\frac{4}{5} ÷ 40\% = 2$
$100\% ÷ \frac{3}{10} = \frac{10}{3}$
$0.6 × \frac{1}{3} = 0.2$
$\frac{12}{25} × \frac{5}{3} = \frac{4}{5}$
$60\% × \frac{1}{9} = \frac{1}{15}$
$24 ÷ \frac{2}{3} = 36$
$90\% ÷ 30\% = 3$
$0.5 × \frac{1}{5} = 0.1$
$25\% ÷ \frac{5}{4} = \frac{1}{5}$
$37.5\% ÷ 3 = 0.125$
$\frac{7}{8} × \frac{8}{19} = \frac{7}{19}$
$100 × (1 + 35\%) = 135$
$100 - 100 × 87\% = 13$
$10 × (1 - 28\%) = 7.2$
2.在○里填上“>”“<”或“=”。
240 ○ 240×(1−53%)
(1+25%)×35 ○ 35
300%×1.2 ○ 3×(1+20%)
(16−12)÷12 ○ 30%
125%−100% ○ 1÷4
4800÷(1+20%) ○ 4800
240 ○ 240×(1−53%)
(1+25%)×35 ○ 35
300%×1.2 ○ 3×(1+20%)
(16−12)÷12 ○ 30%
125%−100% ○ 1÷4
4800÷(1+20%) ○ 4800
答案
240 > 240×(1−53%)
(1+25%)×35 > 35
300%×1.2 = 3×(1+20%)
(16−12)÷12 > 30%
125%−100% = 1÷4
4800÷(1+20%) < 4800
(1+25%)×35 > 35
300%×1.2 = 3×(1+20%)
(16−12)÷12 > 30%
125%−100% = 1÷4
4800÷(1+20%) < 4800
3.连一连。

答案
$90+90×10\% = 99$
$90÷9-9÷9 = 9$
$90×(1-10\%) = 81$
$90-90×10\% = 81$
$(90-9)÷9 = 9$
$90×(1+10\%) = 99$
连线对应:
$90+90×10\%$ 连 $90×(1+10\%)$
$90÷9-9÷9$ 连 $(90-9)÷9$
$90×(1-10\%)$ 连 $90-90×10\%$
$90÷9-9÷9 = 9$
$90×(1-10\%) = 81$
$90-90×10\% = 81$
$(90-9)÷9 = 9$
$90×(1+10\%) = 99$
连线对应:
$90+90×10\%$ 连 $90×(1+10\%)$
$90÷9-9÷9$ 连 $(90-9)÷9$
$90×(1-10\%)$ 连 $90-90×10\%$
一套校服100元,优惠标准如下表。

某学校需订购858套校服,一共需要多少钱?
反思 我错了()道题。
自我评价:
某学校需订购858套校服,一共需要多少钱?
反思 我错了()道题。
自我评价:
答案
100 × 858 × 90% = 77220(元)
答:一共需要77220元。
答:一共需要77220元。
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