Объяснение:
1902 - air conditioner
1904 - tractor
1907 - first piloted helicopter
1919 - pop-up toaster
1927 - first quartz clock
1930 - scotch tape
1938 - ballpoint pen
1942 - first electronic computer
1946 - microwawe
1953 - fist video tape
1974 - post-it note
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Classwork 1a Work in pairs. Put in order.1901-vacuum cleaner 1902 1904190719011919192719301938 1942 19461953 1974
Объяснение:
1902 - air conditioner
1904 - tractor
1907 - first piloted helicopter
1919 - pop-up toaster
1927 - first quartz clock
1930 - scotch tape
1938 - ballpoint pen
1942 - first electronic computer
1946 - microwawe
1953 - fist video tape
1974 - post-it note