1.直接写得数。
$39+21=$ $58-9=$ $750+250=$ $800-330=$
$34-7=$ $9×0=$ $110×3=$ $22×4=$
$41×2=$ $202×5=$ $15×6=$ $15+37=$
$\frac{3}{4} - \frac{2}{4} =$ $\frac{4}{7} + \frac{3}{7} =$ $1 - \frac{5}{8} =$ $\frac{1}{5} + \frac{3}{5} =$
$39+21=$ $58-9=$ $750+250=$ $800-330=$
$34-7=$ $9×0=$ $110×3=$ $22×4=$
$41×2=$ $202×5=$ $15×6=$ $15+37=$
$\frac{3}{4} - \frac{2}{4} =$ $\frac{4}{7} + \frac{3}{7} =$ $1 - \frac{5}{8} =$ $\frac{1}{5} + \frac{3}{5} =$
答案
$39+21=60$
$58-9=49$
$750+250=1000$
$800-330=470$
$34-7=27$
$9×0=0$
$110×3=330$
$22×4=88$
$41×2=82$
$202×5=1010$
$15×6=90$
$15+37=52$
$\frac{3}{4} - \frac{2}{4} =\frac{1}{4}$
$\frac{4}{7} + \frac{3}{7} =1$
$1 - \frac{5}{8} =\frac{3}{8}$
$\frac{1}{5} + \frac{3}{5} =\frac{4}{5}$
$58-9=49$
$750+250=1000$
$800-330=470$
$34-7=27$
$9×0=0$
$110×3=330$
$22×4=88$
$41×2=82$
$202×5=1010$
$15×6=90$
$15+37=52$
$\frac{3}{4} - \frac{2}{4} =\frac{1}{4}$
$\frac{4}{7} + \frac{3}{7} =1$
$1 - \frac{5}{8} =\frac{3}{8}$
$\frac{1}{5} + \frac{3}{5} =\frac{4}{5}$
2.把算式和相对应的得数连起来。
$193×2$
$318×3$
$284×2$
$612×7$
568
386
954
4284
$193×2$
$318×3$
$284×2$
$612×7$
568
386
954
4284
答案
193×2=386
318×3=954
284×2=568
612×7=4284
连线对应:
193×2 连 386
318×3 连 954
284×2 连 568
612×7 连 4284
318×3=954
284×2=568
612×7=4284
连线对应:
193×2 连 386
318×3 连 954
284×2 连 568
612×7 连 4284
3.在“○”里填上“>”“<”或“=”。
70−36÷6 ○ 74
15 ○ 4×5−5
14÷7÷2 ○ 3
24+4×5 ○ 44
18÷2+3 ○ 13
49−(10−6) ○ 9
(77+4)÷9 ○ 9
27 ○ 30−9×3
70−36÷6 ○ 74
15 ○ 4×5−5
14÷7÷2 ○ 3
24+4×5 ○ 44
18÷2+3 ○ 13
49−(10−6) ○ 9
(77+4)÷9 ○ 9
27 ○ 30−9×3
答案
70−36÷6 < 74
15 = 4×5−5
14÷7÷2 < 3
24+4×5 = 44
18÷2+3 < 13
49−(10−6) > 9
(77+4)÷9 = 9
27 > 30−9×3
15 = 4×5−5
14÷7÷2 < 3
24+4×5 = 44
18÷2+3 < 13
49−(10−6) > 9
(77+4)÷9 = 9
27 > 30−9×3
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