ПОМОГИТЕ ПОЖАЛУСТО) HCI+CA(OH)2= H2SO4+Fe2O3= H2S+NA2CO3= HCI+AgNO3= Fe+H2SO4=

решить задачу:на школьном празднике было 348 детей.мальчиков-на 16 больше,чем девочек.Сколько мальчиков и девочек на празднике?

Помогите, пожалуйста! Supply the correct tense of the verbs in brackets. Leaning across the table with his head awkwardly resting on the tommy-gun, Babchenko (be) fast asleep. Evidently, like Saburov, he (not sleep) during the past few days. In thinking this, Saburov sudenly (think) of himself and of all he (go through) during these four days and he (feel) all his bones aching with wearings. With gteat difficulty he (pull) out his watch. It (show) 9.15. It (be) exactly one hundred and three hours since he (jump) into this very room after he grenade he (throw) into it. Three hours after Saburov (go) to bed, he (be aroused) by the buzzing of the telephone. Babchenko, who (not like) his officers to sleep when he (not sleep), (ring up) and (order) the operator to wake Saburov. "You (sleep)?" he (inquire). "Yes." "All right, sleep then." Maslennikov, who (be roused) by the telephone and (sit) on the edge of the bed, (guess) the nature of the conversation.

Сделайте синтаксический разбор предложений:

Стволы берез уже белели во мраке: приближался скудный и холодный рассвет.

От березняка рябит в глазах, голова кружится от солнечных зайчиков.

Надо будет - умру не хуже других.

Береза не угроза: где стоит, там и шумит.