①41+5×9
②(34+29)÷9
③54-42÷6
④100-39+28
⑤42÷(18÷3)
⑥64÷8÷2
①867-430-328
②690-300+165
③422+333+195
④147+343-298
□÷□=□(个)……□(个)
□÷□=□(堆)……□(个)